Webster's Unabridged Dictionary - Letter N - Page 28

Nuchal (a.) (Anat.) Of, pertaining to, or in the region of, the back, or nape, of the neck; -- applied especially to the anterior median plate in the carapace of turtles.

Nuciferous (a.) Bearing, or producing, nuts.

Nuciform (a.) (Bot.) Shaped like a nut; nut-shaped.

Nucin (n.) (Chem.) See Juglone. Nucleal

Compare: Juglone

Juglone (n.) (Chem.) A yellow crystalline substance ({C10H6O3) resembling quinone, extracted from green shucks of the walnut ({Juglans regia); -- called also nucin. Chemically, it is 5-hydroxy-1,4-naphthalenedione.

Nucleal (a.) Alt. of Nuclear

Nuclear (a.) Of or pertaining to a nucleus; as, the nuclear spindle (see Illust. of Karyokinesis) or the nuclear fibrils of a cell; the nuclear part of a comet, etc.

Nuclear football (n.) 所謂的「核按鈕」其實是一個重20公斤,暱稱為「核足球」(nuclear football),由黑皮包覆的公事包。該公事包由代表美軍5個分支的5位軍事助手之一,隨身攜帶並隨行總統至各處。 The nuclear football (also known as the atomic football, the President's emergency satchel, the Presidential Emergency Satchel, [1] the button, the black box, or just the football) is a briefcase, the contents of which are to be used by the President of the United States to authorize a nuclear attack while away from fixed command centers, such as the White House Situation Room. It functions as a mobile hub in the strategic defense system of the United States. It is held by an aide-de-camp.

Nucleate (a.) Having a nucleus; nucleated.

Nucleate (v. t.) To gather, as about a nucleus or center.

Nucleated (a.) Having a nucleus; nucleate; as, nucleated cells.

Nucleated (a.) Having a nucleus or occurring in the nucleus; "nucleated cells" [syn: nucleated, nucleate].

Nucleiform (a.) Formed like a nucleus or kernel.

Nuclein (n.) (Physiol. Chem.) A constituent of the nuclei of all cells, containing protein and nucleic acid. It is a colorless amorphous substance, readily soluble in alkaline fluids and especially characterized by its comparatively large content of phosphorus. It also contains nitrogen and sulphur.

Nucleobranch (a.) (Zool.) Belonging to the Nucleobranchiata.

Nucleobranch (n.) (Zool.) One of the Nucleobranchiata.

Nucleobranchiata (n. pl.) (Zool.) See Heteropoda.

Nucleoidioplasma (n.) (Biol.) Hyaline plasma contained in the nucleus of vegetable cells.

Nucleolar (a.) (Biol.) Of or pertaining to the nucleolus of a cell.

Nucleolated (a.) Having a nucleole, or second inner nucleus.

Nucleole (n.) The nucleus within a nucleus; nucleolus.

Nucleole (n.) A small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis [syn: nucleolus, nucleole].

Nucleoli (n. pl. ) of Nucleolus.

Nucleolus (n.) A little nucleus.

Nucleolus (n.) (Biol.) A small rounded body contained in the nucleus of a cell or a protozoan.

Note: It was termed by Agassiz the entoblast. In the protozoa, where it may be situated on one side of the nucleus, it is sometimes called the endoplastule, and is supposed to be concerned in the male part of the reproductive process. See Nucleus.

Nucleoplasm (n.) (Biol.) The matter composing the nucleus of a cell; the protoplasm of the nucleus; karyoplasma.

Nucleoplasm (n.) The protoplasm that constitutes the nucleus of a cell [syn: nucleoplasm, karyoplasm].

Nucleoplasmic (a.) (Biol.) Of or pertaining to nucleoplasm; -- esp. applied to a body formed in the developing ovum from the plasma of the nucleus of the germinal vesicle.

Nucleuses (n. pl. ) of Nucleus.

Nuclei (n. pl. ) of Nucleus.

Nucleus (n.) A kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or material portion; -- used both literally and figuratively.

It must contain within itself a nucleus of truth. -- I. Taylor.

Nucleus (n.) (Astron.) The body or the head of a comet.

Nucleus (n.) (Bot.) An incipient ovule of soft cellular tissue.

Nucleus (n.) (Bot.) A whole seed, as contained within the seed coats.

Nucleus (n.) (Biol.) A body, usually spheroidal, in a eukaryotic cell, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents, which contains the chromosomal genetic material, including the chromosomal DNA. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded    body, the nucleolus (see Nucleoplasm). See Cell division, under Division.

Note: The nucleus is sometimes termed the endoplast or endoblast, and in the protozoa is supposed to be concerned in the female part of the reproductive process. See Karyokinesis.

Nucleus (n.) (Zool.) The tip, or earliest part, of a univalve or bivalve shell.

Nucleus (n.) (Zool.) The central part around which additional growths are added, as of an operculum.

Nucleus (n.) (Zool.) A visceral mass, containing the stomach and other organs, in Tunicata and some mollusks.

Nucleus (n.) A part of the cell containing DNA and RNA and responsible for growth and reproduction [syn: nucleus, cell nucleus, karyon].

Nucleus (n.) The positively charged dense center of an atom.

Nucleus (n.) A small group of indispensable persons or things; "five periodicals make up the core of their publishing program" [syn: core, nucleus, core group].

Nucleus (n.) (Astronomy) The center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail.

Nucleus (n.) Any histologically identifiable mass of neural cell bodies in the brain or spinal cord.

Nucleus (n.) The central structure of the lens that is surrounded by the cortex [syn: lens nucleus, nucleus].

Nucula (n.) (Zool.) A genus of small marine bivalve shells, having a pearly interior.

Nucule (n.) (Bot.) Same as Nutlet.

Nucumentaceous (a.) (Bot.) See Nucamentaceous.

Nucamentaceous (a.) [See Nucament.] (Bot.) Like a nut either in structure or in being indehiscent; bearing one-seeded nutlike fruits. [Written also nucumentaceous.]

Nudation (n.) The act of stripping, or making bare or naked.

Nuddle (v. i.) To walk quickly with the head bent forward; -- often with along. [Prov. Eng.]

Nude (a.) 裸的,與生俱有的,無裝飾的裸體畫,裸體 Bare; naked; unclothed; undraped; as, a nude statue.

Nude (a.) (Law) Naked; without consideration; void; as, a nude contract. See Nudum pactum. -- Blackstone.

The nude, The undraped human figure in art. -- Nude"ly, adv.- Nude"ness, n.

Nudged (imp. & p. p.) of Nudge.

Nudging (p. pr. & vb. n.) of Nudge.

Nudge (v. t.) To touch gently, as with the elbow, in order to call attention or convey intimation.

Nudge (n.) A gentle push, or jog, as with the elbow.

Nudibrachiate (a.) (Zool.) Having tentacles without vibratile cilia. -- Carpenter.

Nudibranch (a.) (Zool.) Of or pertaining to the Nudibranchiata.

Nudibranch (n.) One of the Nudibranchiata.

Nudibranchiata (n. pl.) (Zool.) A division of opisthobranchiate mollusks, having no shell except while very young. The gills are naked and situated upon the back or sides. See Ceratobranchia.

Nudibranchiate (a. & n.) (Zool.) Same as Nudibranch.

Nudicaul (a.) (Bot.) Having the stems leafless.

Nudification (n.) The act of making nude.

Nudities (n. pl. ) of Nudity.

Nudity (n.) 裸露;裸體像;裸體畫 The quality or state of being nude; nakedness.

Nudity (n.) That which is nude or naked; naked part; undraped or unclothed portion; esp. (Fine Arts), the human figure represented unclothed; any representation of nakedness; -- chiefly used in the plural and in a bad sense.

There are no such licenses permitted in poetry any more than in painting, to design and color obscene nudities. -- Dryden.

Nudity (n.) The state of being without clothing or covering of any kind [syn: nakedness, nudity, nudeness].

Nudnik (n.) 【美】【口】討厭的傢伙 A pestiferous boring and dull person.

Nudnik (n.) (Yiddish) Someone who is a boring pest [syn: nudnik, nudnick].

Nudum pactum () (Law) A bare, naked contract, without any consideration and therefore unenforceable in a court of law. -- Tomlins.

Nudum pactum, () contracts. A contract made without a consideration,; it is called a nude or naked contract, because it is not clothed with the consideration required by law, in order to give an action. 3 McLean, 330; 2 Denio, 403; 6 Iredell, 480; 1 Strobh. 329; 1 Kelly, 294; 1 Dougl. Mich. R. 188.

Nudum pactum, () There are some contracts which, in consequence of their forms, import a consideration, as sealed instruments, and bills of exchange, and promissory notes, which are generally good although no consideration appears.

Nudum pactum, () A nudum pactum may be avoided, and is not binding.

Nudum pactum, () Whether the agreement be verbal or in writing, it is still a nude pact. This has been decided in England, 7 T. R. 350, note; 7 Bro. P. C. 550; and in this country; 4 John. R. 235; 5 Mass. R. 301, 392; 2 Day's R. 22. But if the contract be under seal, it is valid. 2 B. & A. 551. It is a rule that no action can be maintained on a naked contract; ex nudo pacto non oritur actio: 2 Bl. Com. 445; 16 Vin. Ab. 16.

Nudum pactum, () This term is borrowed from the civil law, and the rule which decides upon the nullity of its effects, yet the common law has not; in any degree been influenced by the notions of the civil law, in defining what constitutes a nudum pactum. Dig. 19, 5, 5. See on this subject a learned note in Fonb. Eq. 335, and 2 Kent, Com. 364. Toullier defines nudum pactum to be an agreement not executed by one of the parties, tom. 6, n. 13, page 10. Vide 16 Vin. Ab. 16; 1 Supp. to Ves. jr. 514; 3 Kent, Com. 364; 1 it. Pr. 113; 8 Ala. 131; and art. Consideration.

Nugacity (n.) Futility; trifling talk or behavior; drollery. [R.] -- Dr. H. More.

Nugae (n. pl.) [L.] Trifles; jests.

Nugation (n.) The act or practice of trifling. [R.] -- Bacon.

Nugatory (a.) 無價值的;無效的 Trifling; vain; futile; insignificant.

Nugatory (a.) Of no force; inoperative; ineffectual.

If all are pardoned, and pardoned as a mere act of clemency, the very substance of government is made nugatory. -- I. Taylor.

Nugatory (a.) Of no real value; "a nugatory law".

Nugget (n.) A lump; a mass, esp. a native lump of a precious metal; as, a nugget of gold.

Nugget (n.) Something of value, usually found among many other less valuable things; -- often used figuratively; as, a nugget of useful information in a sea of data. 

Nugget (n.) A solid lump of a precious metal (especially gold) as found in the earth.

Nugify (v. t.) To render trifling or futile; to make silly. [R.] -- Coleridge.

Nuisance (n.) That which annoys or gives trouble and vexation; that which is offensive or noxious.

Note: Nuisances are public when they annoy citizens in general; private, when they affect individuals only.

Nuisancer (n.) (Law) One who makes or causes a nuisance.

Nul (a.) (Law) No; not any; as, nul disseizin; nul tort.

Nul, () law French. A barbarous word which means to convey a negative; as, Nul  tiel record, Nul tiel award.

Null (a.) Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless.

Faultily faultless, icily regular, splendidly null, Dead perfection; no more. -- Tennyson.

Null (a.) Having a value of zero; as, of null utility.

Null (a.) (Math.) Empty; having no members; as, the null set.

Null (a.) (Computers) Unassigned or meaningless; -- a special value given to variables, especially pointers or logical variables, indicating that it is meaningless and cannot be used in computation; as, an uninitialized pointer in "C" is given a null value.
The actual value that is stored in memory to indicate the null condition may vary with the computer language used.

Null (n.) Something that has no force or meaning.

Null (n.) That which has no value; a cipher; zero. -- Bacon.

Null method, () (Physics.), A zero method. See under Zero.

Null (v. t.) To annul. [Obs.] -- Milton.

Null (n.) One of the beads in nulled work.

Null (a.) Lacking any legal or binding force; "null and void" [syn: null, void].

Null (n.) A quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it" [syn: nothing, nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zero, zilch, zip, zippo].

Nulled (a.) Turned so as to resemble nulls.

Nulled work (Cabinetwork), Ornamental turned work resembling beads (called nulls) strung on a rod.

Nullibiety (n.) The state or condition of being nowhere. [Obs.]

Nullification (n.) 無效,廢棄,取消 The act of nullifying; a rendering void and of no effect, or of no legal effect.

Right of nullification (U. S. Hist.), The right claimed in behalf of a State to nullify or make void, by its sovereign act or decree, an enactment of the general government which it deems unconstitutional.

Nullification (n.) The states'-rights doctrine that a state can refuse to recognize or to enforce a federal law passed by the United States Congress

Nullification (n.) The act of nullifying; making null and void; counteracting or overriding the effect or force of something [syn: nullification, override].

Nullifidian (a.) Of no faith; also, not trusting to faith for salvation; -- opposed to solifidian. -- Feltham.

Nullifidian (n.) An unbeliever. -- B. Jonson.

Nullifier (n.) One who nullifies or makes void; one who maintains the right to nullify a contract by one of the parties.

Nullifier (n.) An advocate of nullification; someone who believes that a state can resist federal laws.

Nullifier (n.) An official who can invalidate or nullify; "my bank check was voided and I wanted to know who the invalidator was" [syn: invalidator, voider, nullifier].

Nullified (imp. & p. p.) of Nullify.

Nullifying (p. pr. & vb. n.) of Nullify.

Nullify (v. t.) 使無效,廢棄,取消 To make void; to render invalid; to deprive of legal force or efficacy.

Such correspondence would at once nullify the conditions of the probationary system. -- I. Taylor.

Syn: To abrogate; revoke; annul; repeal; invalidate; cancel. See Abolish.

Nullify (v.) Declare invalid; "The contract was annulled"; "void a plea" [syn: {invalidate}, {annul}, {quash}, {void}, {avoid}, {nullify}] [ant: {formalise}, {formalize}, {validate}].

Nullify (v.) Show to be invalid [syn: {invalidate}, {nullify}] [ant: {validate}].

Nullify (v.) Make ineffective by counterbalancing the effect of; "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts" [syn: {neutralize}, {neutralise}, {nullify}, {negate}].

Nullify (v.) [ T ] (Formal) 使(協議或決議)失去法律效力 To make a legal agreement or decision have no legal force.

// The state death penalty law was nullified in 1977.

Nullify (v.) [ T ] 使無價值;使無效 To cause something to have no value or effect.

// All my hard work was nullified when I lost my notes.

Nullipore (n.) (Bot.) A name for certain crustaceous marine algae which secrete carbonate of lime on their surface, and were formerly thought to be of animal nature. They are now considered corallines of the genera Melobesia and Lithothamnion.

Nullities (n. pl. ) of Nullity.

Nullity (n.) The quality or state of being null; nothingness; want of efficacy or force.

Nullity (n.) (Law) Nonexistence; as, a decree of nullity of marriage is a decree that no legal marriage exists.

Nullity (n.) That which is null.

Was it not absurd to say that the convention was supreme in the state, and yet a nullity? -- Macaulay.

Nullity (n.) The state of nonexistence [syn: nothingness, void, nullity, nihility].

Nullity (n.)  Something that is null (especially an enactment that has no legal validity).

Nullity. () Properly, that which does not exist; that which is not properly in the nature of things. In a figurative sense, and in law, it means that which has no more effect than if it did not exist, and also the defect which prevents it from having such effect. That which is absolutely void.

Nullity. () It is a yule of law that what is absolutely null produces no effects whatever; as, if a man bad a wife in full life, and both aware of the fact, he married another woman, such second marriage would be nun and without any legal effect. Vide Chit, Contr. 228; 3 Chit. Pr. 522; 2 Archb. Pr. K. B. 4th edit. 888; Bayl. Ch. Pr. 97.

Nullity. () Nullities have been divided into absolute and relative. Absolute nullities are those which may be insisted upon by any one having an interest in rendering the act, deed or writing null, even by the public authorities, as a second marriage while the former was in full force. Everything fraudulent is null and void. Relative nullities can be invoked only by those in whose favor the law has been established, land, in fact, such power is less a nullity of the act than a faculty which one or more persons have to oppose the validity of the act.

Nullity. () The principal causes of nullities are, 1. Defect of form; as, for example, when the law requires that a will of land shall be attested by three witnesses, and it is on] attested by two. Vide Will.

Nullity. () Want of will; as, if a man be compelled to execute a bond by duress, it is null and void. Vide Duress.

Nullity. () The incapacities of the parties; as in the cases of persons non compos mentis, of married women's contracts, and the like.

Nullity. () The want of consideration in simple contracts; as a verbal promise with out consideration.

Nullity. () The want of recording, when the law requires that the matter should be recorded; as, in the case of judgments.

Nullity. () Defect of power in the party who entered into a contract in behalf of another; as, when an attorney for a special purpose makes an agreement for his principal in relation to another thing. Vide Attorney; Authority.

Nullity. () The loss of a thing which is the subject of a contract; as, when A sells B horse, both supposing him to be alive, when in fact he was dead. Vide Contract; Sale.

Vide Perrin, Traite des Nullites; Henrion, Pouvoir Municipal, liv. 2, c. 18; Merl. Rep. h.t.; Dall. Diet. h.t. See art. Void.

Nullity (n.) [ S ] (Law) 無效,無效的行為,無效的証書 Something such as an agreement or decision which no longer has legal force.

// The judge ruled that the failure to use the right application form did not render the appeal a nullity.

Numb (a.) 麻木的,失去知覺的 Enfeebled in, or destitute of, the power of sensation and motion; rendered torpid; benumbed; insensible; as, the fingers or limbs are numb with cold. "A stony image, cold and numb." -- Shak.

Numb (a.) Producing numbness; benumbing; as, the numb, cold night. [Obs.] -- Shak.

Numbed (imp. & p. p.) of Numb.

Numbing (p. pr. & vb. n.) of Numb.

Numb (v. t.) 使麻木,使昏迷,使失去知覺 To make numb; to deprive of the power of sensation or motion; to render senseless or inert; to deaden; to benumb; to stupefy.

For lazy winter numbs the laboring hand. -- Dryden.

Like dull narcotics, numbing pain. --Tennyson.  

Numb (a.) Lacking sensation; "my foot is asleep"; "numb with cold" [syn: asleep(p), benumbed, numb].

Numb (a.) (Followed by `to') Not showing human feeling or sensitivity; unresponsive; "passersby were dead to our plea for help";   "numb to the cries for mercy" [syn: dead(p), numb(p)].

Numb (a.) So frightened as to be unable to move; stunned or paralyzed with terror; petrified; "too numb with fear to move".

Numb (v.) Make numb or insensitive; "The shock numbed her senses" [syn: numb, benumb, blunt, dull].

Numbedness (n.) Numbness. [Obs.] -- Wiseman.

Number (n.) 數,數字 [C];號碼;第……號 [C] That which admits of being counted or reckoned; a unit, or an aggregate of units; a numerable aggregate or collection of individuals; an assemblage made up of distinct things expressible by figures.

Number (n.) A collection of many individuals; a numerous assemblage; a multitude; many.

Ladies are always of great use to the party they espouse, and never fail to win over numbers. -- Addison.

Number (n.) A numeral; a word or character denoting a number; as, to put a number on a door.

Number (n.) Numerousness; multitude.

Number itself importeth not much in armies where the people are of weak courage. -- Bacon.

Number (n.) The state or quality of being numerable or countable.

Of whom came nations, tribes, people, and kindreds out of number. -- 2 Esdras iii. 7.

Number (n.) Quantity, regarded as made up of an aggregate of separate things.

Number (n.) That which is regulated by count; poetic measure, as divisions of time or number of syllables; hence, poetry, verse; -- chiefly used in the plural.

I lisped in numbers, for the numbers came. -- Pope.

Number (n.) (Gram.) The distinction of objects, as one, or more than one (in some languages, as one, or two, or more than two), expressed (usually) by a difference in the form of a word; thus, the singular number and the plural number are the names of the forms of a word indicating the objects denoted or referred to by the word as one, or as more than one.

Number (n.) (Math.) The measure of the relation between quantities or things of the same kind; that abstract species of quantity which is capable of being expressed by figures; numerical value.

Abstract number, Abundant number, Cardinal number, etc. See under Abstract, Abundant, etc.

In numbers, In numbered parts; as, a book published in numbers.

Numbered (imp. & p. p.) of Number.

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