Webster's Unabridged Dictionary - Letter P - Page 37

Pentacrinite (n.) (Zool.) Any species of Pentacrinus.

Pentacrinoid (n.) (Zool.) An immature comatula when it is still attached by a stem, and thus resembles a Pentacrinus.

Pentacrinus (n.) (Zool.) A genus of large, stalked crinoids, of which several species occur in deep water among the West Indies and elsewhere.

Pentacra (n. pl. ) of Pentacron.

Pentacrons (n. pl. ) of Pentacron.

Pentacron (n.) (Geom.) A solid having five summits or angular points.

Pentacrostic (n.) A set of verses so disposed that the name forming the subject of the acrostic occurs five times -- the whole set of verses being divided into five different parts from top to bottom.

Pentad (n.) (Chem.) Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds.

Pentad (n.) Any grouping of five things.

Pentad (a.) (Chem.) Having the valence of a pentad. Pentadactyl

Pentad (n.) The cardinal number that is the sum of four and one [syn: five, 5, V, cinque, quint, quintet, fivesome, quintuplet, pentad, fin, Phoebe, Little Phoebe].

Pentadactyl (a.) Alt. of Pentadactyle.

Pentadactyle (a.) (Anat.) Having five digits to the hand or foot.

Pentadactyle (a.) Having five appendages resembling fingers or toes.

Pentadactyloid (a.) (Anat.) Having the form of, or a structure modified from, a pentadactyl limb.

Pentadecane (n.) (Chem.) A hydrocarbon of the paraffin series, ({C15H32) found in petroleum, tar oil, etc., and obtained as a colorless liquid; -- so called from the fifteen carbon atoms in the molecule.

Pentadecatoic (a.) (Chem.) Of, pertaining to, or derived from, pentadecane, or designating an acid related to it.

Pentadecylic (a.) (Chem.) Same as Quindecylic.

Compare: Quindecylic

Quindecylic (n.) (Chem.) Pertaining to, or designating, an acid of the fatty acid series, containing fifteen atoms of carbon; called also pentadecylic acid.

Pentadelphous (a.) (Bot.) Having the stamens arranged in five clusters, those of each cluster having their filaments more or less united, as the flowers of the linden.

Pentafid (a.) (Bot.) Divided or cleft into five parts.

Pentaglot (n.) A work in five different tongues.

Pentagon (n.) (Geom.) A plane figure having five angles, and, consequently, five sides; any figure having five angles.

Regular pentagon, A pentagon in which the angles are all equal, and the sides all equal.

Pentagon (n.) A government building with five sides that serves as the headquarters of the United States Department of Defense.

Pentagon (n.) The United States military establishment.

Pentagon (n.) A five-sided polygon.

Pentagonal (a.) Having five corners or angles.

Pentagonal dodecahedron. See Dodecahedron, and Pyritohedron.

Pentagonal (a.) Of or relating to or shaped like a pentagon [syn: pentangular, pentagonal].

Pentagonally (adv.) In the form of a pentagon; with five angles. -- Sir T. Browne.

Pentagonous (a.) Pentagonal.

Pentagram (n.) A pentacle or a pentalpha. "Like a wizard pentagram." -- Tennyson. Pentagraphic

Pentagram (n.) A star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon [syn: pentacle, pentagram, pentangle].

Pentagraphic (a.) Alt. of Pentagraphical.

Pentagraphical (a.) Pantographic. See Pantograph.

Pentagynia (n. pl.) (Bot.) A Linnaean order of plants, having five styles or pistils. Pentagynian

Pentagynian (a.) Alt. of Pentagynous

Pentagynous (a.) (Bot.) Of or pertaining to plants of the order Pentagyna; having five styles.

Pentahedral (a.) Having five sides; as, a pentahedral figure.

Pentahedrical (a.) Pentahedral. [R.]

Pentahedron (n.) A solid figure having five sides.

Pentahedron (n.) Any polyhedron having five plane faces.

Pentahedrous (a.) Pentahedral. -- Woodward.

Pentail (n.) (Zool.) A peculiar insectivore ({Ptilocercus Lowii) of Borneo; -- so called from its very long, quill-shaped tail, which is scaly at the base and plumose at the tip.

Pentail (n.) Brown tree shrew having a naked tail bilaterally fringed with long stiff hairs on the distal third; of Malaysia [syn: pentail, pen-tail, pen-tailed tree shrew].

Pentalpha (n.) A five-pointed star, resembling five alphas joined at their bases; -- used as a symbol.

Pentamera (n. pl.) (Zool.) An extensive division of Coleoptera, including those that normally have five-jointed tarsi. It embraces about half of all the known species of the Coleoptera.

Pentameran (n.) (Zool.) One of the Pentamera.

Pentamerous (a.) (Biol.) Divided into, or consisting of, five parts; also, arranged in sets, with five parts in each set, as a flower with five sepals, five petals, five, or twice five, stamens, and five pistils.

Pentamerous (a.) (Zool.)  Belonging to the Pentamera.

Pentamerous (a.) Divided into five parts; specifically, having each floral whorl consist of five (or a multiple of five) members; "pentamerous flowers."

Pentamerus (n.) (Paleon.) A genus of extinct Paleozoic brachiopods, often very abundant in the Upper Silurian.

Pentamerus limestone (Geol.), A Silurian limestone composed largely of the shells of Pentamerus.

Pentameter (n.) A verse of five feet.

Note: The dactylic pentameter consists of two parts separated by a di[ae]resis. Each part consists of two dactyls and a long syllable. The spondee may take the place of the dactyl in the first part, but not in the second. The elegiac distich consists of the hexameter followed by the pentameter. -- Harkness.

Pentameter (a.) Having five metrical feet.

Compare: Verse

Verse (n.) A line consisting of a certain number of metrical feet (see Foot, n., 9) disposed according to metrical rules.

Note: Verses are of various kinds, as hexameter, pentameter, tetrameter, etc., according to the number of feet in each. A verse of twelve syllables is called an Alexandrine. Two or more verses form a stanza or strophe.

Verse (n.) Metrical arrangement and language; that which is composed in metrical form; versification; poetry.

Such prompt eloquence Flowed from their lips in prose or numerous verse. -- Milton.

Virtue was taught in verse. -- Prior.

Verse embalms virtue. -- Donne.
Verse (n.) A short division of any composition. Specifically:

Verse (n.) (a) A stanza; a stave; as, a hymn of four verses.

Note: Although this use of verse is common, it is objectionable, because not always distinguishable from the stricter use in the sense of a line.

Verse (n.) (b) (Script.) One of the short divisions of the chapters in the Old and New Testaments.
Note: The author of the division of the Old Testament into verses is not ascertained. The New Testament was divided into verses by Robert Stephens [or Estienne], a French printer. This arrangement appeared for the first time in an edition printed at Geneva, in 1551.

Verse (n.) (c) (Mus.) A portion of an anthem to be performed by a single voice to each part.

Verse (n.) A piece of poetry. "This verse be thine." -- Pope.

Blank verse, Poetry in which the lines do not end in rhymes.

Heroic verse. See under Heroic.

Verse (v. t.) [imp. & p. p. Versed; p. pr. & vb. n. Versing.] To tell in verse, or poetry. [Obs.]

Playing on pipes of corn and versing love. -- Shak.

Verse (v. i.) To make verses; to versify. [Obs.]

It is not rhyming and versing that maketh a poet. -- Sir P. Sidney.

Verse (n.) Literature in metrical form [syn: poetry, poesy, verse].

Verse (n.) A piece of poetry [syn: verse, rhyme].

Verse (n.) A line of metrical text [syn: verse, verse line].

Verse (v.) Compose verses or put into verse; "He versified the ancient saga" [syn: verse, versify, poetize, poetise].

Verse (v.) Familiarize through thorough study or experience; "She versed herself in Roman archeology."

Pentameter (n.) A verse line having five metrical feet.

Pentamethylene (n.)  (Chem.) A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene.

Pentandria (n. pl.) (Bot.) A Linnaean class of plants having five separate stamens. Pentandrian

Pentandrian (a.) Alt. of Pentandrous.

Pentandrous (a.) (Bot.) Of or pertaining to the class Pentadria; having five stamens.

Pentane (n.) (Chem.) Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule.

Pentangle (n.) A pentagon. [R.] -- Sir T. Browne.

Pentangle (n.) A star with 5 points; formed by 5 straight lines between the vertices of a pentagon and enclosing another pentagon [syn: pentacle, pentagram, pentangle].

Pentangular (a.) Having five corners or angles. [R.]

Pentangular (a.) Of or relating to or shaped like a pentagon [syn: pentangular, pentagonal].

Pentapetalous (a.) (Bot.) Having five petals, or flower leaves.

Pentaphyllous (a.) (Bot.) Having five leaves or leaflets.

Pentapody (n.) (Pros.) A measure or series consisting of five feet.

Pentaptote (n.) (Gram.) A noun having five cases.

Pentaptych (n.) (Fine Arts) A picture, or combination of pictures, consisting of a centerpiece and double folding doors or wings, as for an altarpiece.

Pentarchy (n.) A government in the hands of five persons; five joint rulers. -- P. Fletcher. "The pentarchy of the senses." -- A. Brewer.

Pentaspast (n.) A purchase with five pulleys. [R.]

Pentaspermous (a.) (Bot.) Containing five seeds.

Pentastich (n.) A composition consisting of five verses.

Pentastichous (a.) (Bot.) Having, or arranged in, five vertical ranks, as the leaves of an apple tree or a cherry tree.

Pentastomida (n. pl.) (Zool.) Same as Linguatulina.

Compare: Linguatulina

Linguatulina (n. pl.) [NL., fr. L. lingua tongue.] (Zool.) An order of wormlike, degraded, parasitic arachnids. They have two pairs of retractile hooks, near the mouth. Called also Pentastomida.

Note: The adults of some species inhabit the nostrils and nasal sinuses of dogs and other carnivores. The young, after being swallowed by sheep, rabbits, etc., find their way to the lungs and liver and become encysted. These, when eaten by carnivores, develop into the adult forms.

Pentastomida (n.) Tongue worms [syn: Pentastomida, subphylum Pentastomida].

Pentastyle (a.) (Arch.) Having five columns in front; -- said of a temple or portico in classical architecture.

Pentastyle (n.) A portico having five columns.

Pentateuch (n.) The first five books of the Old Testament, collectively; -- called also the Law of Moses, Book of the Law of Moses, etc.

Pentateuch (n.) The first of three divisions of the Hebrew Scriptures comprising the first five books of the Hebrew Bible considered as a unit [syn: Torah, Pentateuch, Laws].

Pentateuchal (a.) Of or pertaining to the Pentateuch.

Pentathionic (a.) (Chem.) Pertaining to, or designating, an acid of sulphur obtained by leading hydrogen sulphide into a solution of sulphur dioxide; -- so called because it contains five atoms of sulphur.

Pentathlon (n.) (Gr. Antiq.) A fivefold athletic performance peculiar to the great national games of the Greeks, including leaping, foot racing, wrestling, throwing the discus, and throwing the spear.

Pentathlon (n.) In the modern Olympic Games, a composite contest made up of a running broad jump, throwing the javelin, a 200-meter run, throwing the discus, and a 1500-meter run.

Pentathlon (n.) An athletic contest consisting of five different events.

Pentathlon (n.) [ C ] 現代五項運動,五項全能運動 A sports event in which athletes compete in five different sports.

// The pentathlon consists of running, swimming, riding, shooting, and fencing.

Compare: Biathlon, Decathlon, Heptathlon.

Pentatomic (a.) (Chem.) Having five atoms in the molecule.

Pentatomic (a.) (Chem.) Having five hydrogen atoms capable of substitution.

Pentavalent (a.) (Chem.) Having a valence of five; -- said of certain atoms and radicals.

Pentavalent (a.) Having a valence of five.

Penteconter (n.) (Gr. Antiq.) A Grecian vessel with fifty oars. [Written also pentaconter.]

Pentecost (n.) 猶太人收穫節;聖靈降臨節,五旬節 A solemn festival of the Jews; -- so called because celebrated on the fiftieth day (seven weeks) after the second day of the Passover (which fell on the sixteenth of the Jewish month Nisan); -- hence called, also, the Feast of Weeks. At this festival an offering of the first fruits of the harvest was made. By the Jews it was generally regarded as commemorative of the gift of the law on the fiftieth day after the departure from Egypt.

Pentecost (n.) A festival of the Roman Catholic and other churches in commemoration of the descent of the Holy Spirit on the apostles; which occurred on the day of Pentecost; -- called also Whitsunday. -- Shak.

Pentecost (n.) Seventh Sunday after Easter; commemorates the emanation of the Holy Spirit to the Apostles; a quarter day in Scotland [syn: Pentecost, Whitsunday].

Pentecost (n.) (Judaism) Jewish holy day celebrated on the sixth of Sivan to celebrate Moses receiving the Ten Commandments [syn: Shavous, Shabuoth, Shavuoth, Shavuot, Pentecost, Feast of Weeks].

Pentecost, () i.e., "fiftieth", found only in the New Testament (Acts 2:1; 20:16; 1 Cor. 16:8). The festival so named is first spoken of in Ex. 23:16 as "the feast of harvest," and again in Ex. 34:22 as "the day of the firstfruits" (Num. 28:26). From the sixteenth of the month of Nisan (the second day of the Passover), seven complete weeks, i.e., forty-nine days, were to be reckoned, and this feast was held on the fiftieth day. The manner in which it was to be kept is described in Lev. 23:15-19; Num. 28:27-29. Besides the sacrifices prescribed for the occasion, every one was to bring to the Lord his "tribute of a free-will offering" (Deut. 16:9-11). The purpose of this feast was to commemorate the completion of the grain harvest. Its distinguishing feature was the offering of "two leavened loaves" made from the new corn of the completed harvest, which, with two lambs, were waved before the Lord as a thank offering.

The day of Pentecost is noted in the Christian Church as the day on which the Spirit descended upon the apostles, and on which, under Peter's preaching, so many thousands were converted in Jerusalem (Acts 2). Pentecost, fiftieth

Pentecost (n.) [ C or U ] (猶太教的)五旬節(逾越節後的第50天) In the Jewish religion, a holy day that comes 50 days after Passover.

Pentecost (n.) [ U ] (基督教的)聖靈降臨節(復活節後的第七個星期日) In the Christian religion, a holy day that is the seventh Sunday after Easter.

Pentecostal (a.) Of or pertaining to Pentecost or to Whitsuntide.

Pentecostal (a.) Of or relating to or characteristic of any of various Pentecostal religious bodies or their members.

Pentecostal (a.) Of or relating to or occurring at Pentecost.

Pentecostal (n.) Any member of a Pentecostal religious body [syn: Pentecostal, Pentecostalist].

Pentecostals (n. pl.) Offerings formerly made to the parish priest, or to the mother church, at Pentecost. -- Shipley.

Pentecoster (n.) (Gr. Antiq.) An officer in the Spartan army commanding fifty men. -- Mitford.

Pentecosties (n. pl. ) of Pentecosty.

Pentecosty (n.) (Gr. Antiq.) A troop of fifty soldiers in the Spartan army; -- called also pentecostys. -- Jowett (Thucyd. ). Pentelic

Pentelic (a.) Alt. of Pentelican.

Pentelican (a.) Of or pertaining to Mount Pentelicus, near Athens, famous for its fine white marble quarries; obtained from Mount Pentelicus; as, the Pentelic marble of which the Parthenon is built.

Pentene (n.) (Chem.) Same as Amylene.

Penthouse (n.) 位於建築物之頂的棚舍;高樓上(尤指頂層)的豪華公寓;斜屋簷;遮簷 A shed or roof sloping from the main wall or building, as over a door or window; a lean-to. Also figuratively. "The penthouse of his eyes." -- Sir W. Scott.

Penthouse (a.) Leaning; overhanging. "Penthouse lid." -- Shak. "My penthouse eyebrows." -- Dryden.

Compare: Lean-to

Lean-to (n.) (Arch.) A shed or slight building placed against the wall of a larger structure and having a single-pitched roof; -- called also penthouse, and to-fall.

The outer circuit was covered as a lean-to, all round this inner apartment. -- De Foe. 

Lean-to (n.) A crude, usually temporary shelter comprising a lean-to roof braced against any convenient support, as a wall, a tree or a pole. The roof may extend all the way to the ground.

Penthouse (n.) An apartment located on the top floors of a building.

Pentice (n.) A penthouse. [Obs.] -- Sir H. Wotton.

Pentile (n.) See Pantile.

Pentine (n.) (Chem.) An unsaturated hydrocarbon, C5H8, of the acetylene series. Same as Valerylene.

Compare: Valerylene

Valerylene (n.) (Chem.) A liquid hydrocarbon, C5H8; -- called also pentine.

Pentoic (a.) (Chem.) Pertaining to, or desingating, an acid (called also valeric acid) derived from pentane.

Pentone (n.) (Chem.) Same as Valylene.

Pentoxide (n.) (Chem.) An oxide containing five atoms of oxygen in each mol.

An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.

Pentoxide (n.) An oxide containing five atoms of oxygen in the molecule.

Pentremite (n.) (Zool.) Any species of Pentremites.

Pentremites (n.) (Zool.) A genus of crinoids belonging to the Blastoidea. They have five petal-like ambulacra.

Pentroof (n.) See Lean-to.

Pentrough (n.) A penstock.

Pentyl (n.) (Chem.) The hypothetical radical, C5H11, of pentane and certain of its derivatives. Same as Amyl.

Pentylic (a.) Pertaining to, derived from, or containing, pentyl; as, pentylic alcohol. Pinocle; Penuchle

Penuchle (n.) Alt. of Pinocle.

Pinocle (n.) A game at cards, played with forty-eight cards, being all the cards above the eight spots in two packs. [Also spelled penuchle.]

Penuchle (n.) A card game played with a pack of forty-eight cards (two of each suit for high cards); play resembles whist [syn: pinochle, pinocle, penuchle, bezique].

Penult (n.) (Gram. & Pros.) 倒數第二音節;倒數第二個 The last syllable but one of a word; the syllable preceding the final one.

Penult (n.) The next to last syllable in a word [syn: penult, penultima, penultimate].

Penultima (n.) Same as Penult.

Penultima (n.) The next to last syllable in a word [syn: penult, penultima, penultimate].

Penultimate (a.) 倒數第二音節的;倒數第二的 Last but one; as, the penultimate syllable, the last syllable but one of a word.

Penultimate (n.) 倒數第二音節;倒數第二 The penult.

Penultimate (a.) Next to the last; "the author inadvertently reveals the murderer in the penultimate chapter"; "the figures in the next-to-last column" [syn: penultimate, next-to-last].

Penultimate (n.) The next to last syllable in a word [syn: penult, penultima, penultimate].

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