Webster's Unabridged Dictionary - Letter D - Page 45
Diagnostic (n.) 特徵的診斷，病的徵候，診斷法 The mark or symptom by which one disease is known or distinguished from others.
Diagnostic (a.) Concerned with diagnosis; used for furthering diagnosis; "a diagnostic reading test".
Diagnostic (a.) Characteristic or indicative of a disease; "a diagnostic sign of yellow fever"; "a rash symptomatic of scarlet fever"; "symptomatic of insanity"; "a rise in crime symptomatic of social breakdown" [syn: diagnostic, symptomatic].
Diagnosticate (v. t. & i.) 診斷，判斷 To make a diagnosis of; to recognize by its symptoms, as a disease.
Diagnostics (n.) 診斷 That part of medicine which has to do with ascertaining the nature of diseases by means of their symptoms or signs.
Diagometer (n.) 電導計 A sort of electroscope, invented by Rousseau, in which the dry pile is employed to measure the amount of electricity transmitted by different bodies, or to determine their conducting power.
Diagonal (a.) 對角線的，斜的，斜紋的 Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides.
Diagonal (n.) 對角線，斜線，斜列 A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.
Diagonal (n.) A member, in a framed structure, running obliquely across a panel.
Diagonal (n.) A diagonal cloth; a kind of cloth having diagonal stripes, ridges, or welts made in the weaving.
Diagonally (adv.) 斜向地；沿對角線地 In a diagonal direction.
Diagonial (a.) Diagonal; diametrical; hence; diametrically opposed.
Diagram (n.) 圖表；圖解；（曲）線圖；示圖 [C] A figure or drawing made to illustrate a statement, or facilitate a demonstration; a plan.
Diagram (n.) Any simple drawing made for mathematical or scientific purposes, or to assist a verbal explanation which refers to it; a mechanical drawing, as distinguished from an artistical one.
Diagram (v. t.) 用圖解法表示，圖示 To put into the form of a diagram.
Diagrammatic (a.) 圖表[式] 的 Pertaining to, or of the nature of, a diagram; showing by diagram.
Diagraph (n.) 分度尺，作圖器，原圖放大圖器 A drawing instrument, combining a protractor and scale.
Diagraphic (a.) Alt. of Diagraphical.
Diagraphical (a.) Descriptive.
Diagraphics (n.) The art or science of descriptive drawing; especially, the art or science of drawing by mechanical appliances and mathematical rule.
Diaheliotropic (a.) Relating or, or manifesting, diaheliotropism.
Diaheliotropism (n.) 光線較弱的時候，調整葉片與陽光照射的方向成垂直 A tendency of leaves or other organs of plants to have their dorsal surface faced towards the rays of light.
Dial (n.) An instrument, formerly much used for showing the time of day from the shadow of a style or gnomon on a graduated arc or surface; esp., a sundial; but there are lunar and astral dials. The style or gnomon is usually parallel to the earth's axis, but the dial plate may be either horizontal or vertical.
Dial (n.) The graduated face of a timepiece, on which the time of day is shown by pointers or hands.
Dial (n.) A miner's compass.
Dialed (imp. & p. p.) of Dial.
Dialled () of Dial.
Dialing (p. pr. & vb. n.) of Dial.
Dialling () of Dial.
Dial (v. t.) To measure with a dial.
Dial (v. t.) To survey with a dial.
Dialect (n.) Means or mode of expressing thoughts; language; tongue; form of speech.
Dialect (n.) The form of speech of a limited region or people, as distinguished from ether forms nearly related to it; a variety or subdivision of a language; speech characterized by local peculiarities or specific circumstances; as, the Ionic and Attic were dialects of Greece; the Yorkshire dialect; the dialect of the learned.
Dialectal (a.) Relating to a dialect; dialectical; as, a dialectical variant.
Dialectic (n.) Same as Dialectics.
Dialectic (a.) Alt. of Dialectical.
Dialectical (a.) Pertaining to dialectics; logical; argumental.
Dialectical (a.) Pertaining to a dialect or to dialects.
Dialectically (adv.) In a dialectical manner.
Dialectician (n.) One versed in dialectics; a logician; a reasoner.
Dialectics (n.) That branch of logic which teaches the rules and modes of reasoning; the application of logical principles to discursive reasoning; the science or art of discriminating truth from error; logical discussion.
Dialectic (n.) [ U ] (Also Dialectics) (Specialized) 辯證法 A way of discovering what is true by considering opposite theories.
Dialectology (n.) That branch of philology which is devoted to the consideration of dialects.
Dialector (n.) One skilled in dialectics.
Dialing (n.) The art of constructing dials; the science which treats of measuring time by dials.
Dialing (n.) A method of surveying, especially in mines, in which the bearings of the courses, or the angles which they make with each other, are determined by means of the circumferentor.
Dialist (n.) A maker of dials; one skilled in dialing.
Diallage (n.) A figure by which arguments are placed in various points of view, and then turned to one point.
Diallage (n.) A dark green or bronze-colored laminated variety of pyroxene, common in certain igneous rocks.
Diallel (a.) Meeting and intersecting, as lines; not parallel; -- opposed to parallel.
Diallyl (n.) A volatile, pungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals, and belonging to the acetylene series.
Dialogical (a.) Relating to a dialogue; dialogistical.
Dialogically (adv.) In the manner or nature of a dialogue.
Dialogism (n.) An imaginary speech or discussion between two or more; dialogue.
Dialogist (n.) A speaker in a dialogue.
Dialogist (n.) A writer of dialogues.
Dialogistic (a.) Alt. of Dialogistical.
Dialogistical (a.) Pertaining to a dialogue; having the form or nature of a dialogue.
Dialogite (n.) Native carbonate of manganese; rhodochrosite.
Dialogize (v. t.) To discourse in dialogue.
Dialogue (n.) A conversation between two or more persons; particularly, a formal conservation in theatrical performances or in scholastic exercises.
Dialogue (n.) A written composition in which two or more persons are represented as conversing or reasoning on some topic; as, the Dialogues of Plato.
Dialogue (v. i.) To take part in a dialogue; to dialogize.
Dialogue (v. t.) To express as in dialogue.
Dialypetalous (a.) Having separate petals; polypetalous.
Dialyses (n. pl. ) of Dialysis
Dialysis (n.) Diaeresis. See Diaeresis, 1.
Dialysis (n.) Same as Asyndeton.
Dialysis (n.) Debility.
Dialysis (n.) A solution of continuity; division; separation of parts.
Dialysis (n.) The separation of different substances in solution, as crystalloids and colloids, by means of their unequal diffusion, especially through natural or artificial membranes.
Dialytic (a.) Having the quality of unloosing or separating.
Dialyzate (n.) The material subjected to dialysis.
Dialyzation (n.) The act or process of dialysis.
Dialyzed (imp. & p. p.) of Dialyze.
Dialyzing (p. pr. & vb. n.) of Dialyze.
Dialyze (v. t.) To separate, prepare, or obtain, by dialysis or osmose; to pass through an animal membrane; to subject to dialysis.
Dialyzed (a.) Prepared by diffusion through an animal membrane; as, dialyzed iron.
Dialyzer (n.) The instrument or medium used to effect chemical dialysis.
Diamagnet (n.) A body having diamagnetic polarity.
Diamagnetic (a.) 反磁性的 Pertaining to, or exhibiting the phenomena of, diamagnetism; taking, or being of a nature to take, a position at right angles to the lines of magnetic force. See Paramagnetic.
Diamagnetic (n.) 反磁性體 Any substance, as bismuth, glass, phosphorous, etc., which in a field of magnetic force is differently affected from the ordinary magnetic bodies, as iron; that is, which tends to take a position at right angles to the lines of magnetic force, and is repelled by either pole of the magnet.
Diamagnetic (n.) Relating to or exhibiting diamagnetism; slightly repelled by a magnet.
Diamagnetically (adv.) In the manner of, or according to, diamagnetism.
Diamagnetism (n.) 反磁性，逆磁性，反磁性學 The science which treats of diamagnetic phenomena, and of the properties of diamagnetic bodies.
Diamagnetism (n.) That form or condition of magnetic action which characterizes diamagnetics.
Diamagnetism (n.) The magnetic action which characterizes diamagnetic substances, the magnetic moments of which tend to oppose an externally applied magnetic field. Contrasted with {paramagnetism} and {ferromagnetism}.
Diamagnetism (n.) phenomenon exhibited by materials like copper or bismuth that become magnetized in a magnetic field with a polarity opposite to the magnetic force; unlike iron they are slightly repelled by a magnet.
Diamantiferous (a.) Yielding diamonds.
Diamantine (a.) Adamantine.
Diameter (n.) (Geom.) [C] 直徑；倍（透鏡等的放大單位） Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve.
Diameter (n.) A diametral plane.
Diameter (n.) The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock.
Note: In an elongated object the diameter is usually taken at right angles to the longer axis.
Diameter (n.) (Arch.) The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See Module.
Conjugate diameters. See under Conjugate.
Diameter (n.) The length of a straight line passing through the center of a circle and connecting two points on the circumference [syn: diameter, diam].
Diameter (n.) A straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface).
Diameter () The diameter of a graph is the maximum value of the minimum distance between any two nodes.
Diametral (a.) Pertaining to a diameter; diametrical.
Diametral curve, Diametral surface (Geom.), Any line or surface which bisects a system of parallel chords drawn in a curve or surface.
Diametral planes (Crystal.), Planes in which two of the axes lie.
Diametral (n.) A diameter. [Obs.] -- Sir T. Browne.
Diametral (a.) Related to or along a diameter; "the diametral plane" [syn: diametral, diametric, diametrical].
Diametrally (adv.) Diametrically. Diametric
Diametric (a.) Alt. of Diametrical.
Diametrical (a.) Of or pertaining to a diameter.
Diametrical (a.) As remote as possible, as if at the opposite end of a diameter; directly adverse.
Diametric (a.) Related to or along a diameter; "the diametral plane" [syn: diametral, diametric, diametrical].
Diametric (a.) Characterized by opposite extremes; completely opposed; "in diametric contradiction to his claims"; "diametrical (or opposite) points of view"; "opposite meanings"; "extreme and indefensible polar positions" [syn: diametric, diametrical, opposite, polar].
Diametrically (adv.) In a diametrical manner; directly; as, diametrically opposite.
Whose principles were diametrically opposed to his. -- Macaulay.
Diametrically (adv.) As from opposite ends of a diameter; "when two honest witnesses give accounts of the same event that differ diametrically, how can anyone prove that the evidence you gave was deliberately false?"; "three of these brushes were approximately 120 feet apart and the fourth diametrically opposite to one of the three".
Compare: Hydrazine
Hydrazine (n.) (Chem.) Any one of a series of nitrogenous bases, resembling the amines and produced by the reduction of certain nitroso and diazo compounds; as, methyl hydrazine, phenyl hydrazine, etc. They are derivatives of hydrazine proper, H2N.NH2, which is a doubled amido group, recently (1887) isolated as a stable, colorless gas, with a peculiar, irritating odor. As a base it forms distinct salts. Called also diamide, amidogen, (or more properly diamidogen), etc.
Diamide (n.) (Chem.) Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide.
Diamido- (a.) (Chem.) A prefix or combining form of Diamine. Note: [Also used adjectively.]
Diamine (n.) (Chem.) A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide.
Note: In chemical nomenclature, if any amine or diamine is named by prefixing the nitrogen group, the name of the latter takes the form of amido, diamido, etc., thus ethylene diamine, C2H4.(NH2)2, is also called diamido-ethylene.
Diamine (n.) Any organic compound containing two amino groups.
Diamond (n.) 鑽石，金剛鑽 [C] [U]；菱形 [C] A precious stone or gem excelling in brilliancy and beautiful play of prismatic colors, and remarkable for extreme hardness.
Note: The diamond is native carbon in isometric crystals, often octahedrons with rounded edges. It is usually colorless, but some are yellow, green, blue, and even black. It is the hardest substance known. The diamond as found in nature (called a rough diamond) is cut, for use in jewelry, into various forms with many reflecting faces, or facets, by which its brilliancy is much increased. See Brilliant, Rose. Diamonds are said to be of the first water when very transparent, and of the second or third water as the transparency decreases.
Diamond (n.) A geometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.