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Dictate

A statement delivered with authority; an order; a command; an authoritative rule, principle, or maxim; a prescription; as, listen to the dictates of your conscience; the dictates of the gospel.

Dictation

The act of dictating; the act or practice of prescribing; also that which is dictated.

Dictator

One who dictates; one who prescribes rules and maxims authoritatively for the direction of others.

Dictatorial

Pertaining or suited to a dictator; absolute.

Dictatorship

The office, or the term of office, of a dictator; hence, absolute power.

Dictatory

Dogmatical; overbearing; dictatorial.

Diction

Choice of words for the expression of ideas; the construction, disposition, and application of words in discourse, with regard to clearness, accuracy, variety, etc.; mode of expression; language; as, the diction of Chaucer's poems.

Dictionary

A book containing the words of a language, arranged alphabetically, with explanations of their meanings; a lexicon; a vocabulary; a wordbook.

Dictograph

A telephonic instrument for office or other similar use, having a sound-magnifying device enabling the ordinary mouthpiece to be dispensed with. Much use has been made of it for overhearing, or for recording, conversations for the purpose of obtaining evidence for use in litigation.

Dictum

An authoritative statement; a dogmatic saying; an apothegm.

Dictyogen

A plant with net-veined leaves, and monocotyledonous embryos, belonging to the class Dictyogen/, proposed by Lindley for the orders Dioscoreace/, Smilace/, Trilliace/, etc.

Dicyanide

A compound of a binary type containing two cyanogen groups or radicals; -- called also bicyanide.

Dicyemata

An order of worms parasitic in cephalopods. They are remarkable for the extreme simplicity of their structure. The embryo exists in two forms.

Dicyemid

Like or belonging to the Dicyemata. One of the Dicyemata.

Dicynodont

One of a group of extinct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also a pair of powerful tusks. Their remains are found in triassic strata of South Africa and India.

Didactic

A treatise on teaching or education.

Didactical Didactic

Fitted or intended to teach; conveying instruction; preceptive; instructive; teaching some moral lesson; as, didactic essays.

Didactyl

An animal having only two digits.

Didal

A kind of triangular spade.

Didelphia

The subclass of Mammalia which includes the marsupials. See Marsupialia.

Didelphian

Of or relating to the Didelphia. One of the Didelphia.

Didelphic

Having the uterus double; of or pertaining to the Didelphia.

Didelphys

Formerly, any marsupial; but the term is now restricted to an American genus which includes the opossums, of which there are many species. See Opossum. [Written also Didelphis.] See Illustration in Appendix.

Didine

Like or pertaining to the genus Didus, or the dodo.

Dido

A shrewd trick; an antic; a caper.

Didonia

The curve which on a given surface and with a given perimeter contains the greatest area.

Didrachma Didrachm

A two-drachma piece; an ancient Greek silver coin, worth nearly forty cents.

Didst

the 2d pers. sing. imp. of Do.

Diducement

Diduction; separation into distinct parts.

Diduction

The act of drawing apart; separation.

Didymium

A rare metallic substance usually associated with the metal cerium; -- hence its name. It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. See Neodymium, and Praseodymium.

Didynamia

A Linn/an class of plants having four stamens disposed in pairs of unequal length.

Didynamous

Of or pertaining to the Didynamia; containing four stamens disposed in pairs of unequal length.

Die

A small cube, marked on its faces with spots from one to six, and used in playing games by being shaken in a box and thrown from it. See Dice.

Dieffenbachia

a genus of evergreen perennial herbs of tropical America with lush foliage and poisonous sap; often cultivated as houseplants.

Diegesis

A narrative or history; a recital or relation.

diehard

stubbornly and vigorously resisting in the face of seemingly hopeless odds; as, diehard opposition.

Dielectric

Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor, separating a body electrified by induction, from the electrifying body.

Diencephalon

The interbrain or thalamencephalon; -- sometimes abbreviated to dien. See Thalamencephalon.

Dieresis Diaeresis

The separation or resolution of one syllable into two; -- the opposite of syn/resis.

Diervilla

small genus of low deciduous shrubs; the bush honeysuckles.

Diesinker

An engraver of dies for stamping coins, medals, etc.

Diesis

A small interval, less than any in actual practice, but used in the mathematical calculation of intervals.

Diestock

A stock to hold the dies used for cutting screws.

diestrual diestrous

in a period of sexual inactivity; -- of animals that have several estrous cycles in one breeding season.

diestrus

a state or interval of sexual inactivity or quiescence between periods of activity; -- of animals having several estrous cycles in one breeding season.

Diet

A legislative or administrative assembly in Germany, Poland, and some other countries of Europe; a deliberative convention; a council; as, the Diet of Worms, held in 1521. Any of various national or local assemblies; Occasionally, the Reichstag of the German Empire, Reichsrath of the Austrian Empire, the federal legislature of Switzerland, etc. The legislature of Denmark, Sweden, Japan, or Hungary. The state assembly or any of various local assemblies in the states of the German Empire, as the legislature (Landtag) of the kingdom of Prussia, and the Diet of the Circle (Kreistag) in its local government. The local legislature (Landtag) of an Austrian province. The federative assembly of the old Germanic Confederation (1815 -- 66). In the old German or Holy Roman Empire, the great formal assembly of counselors (the Imperial Diet or Reichstag) or a small, local, or informal assembly of a similar kind (the Court Diet, or Hoftag).

Dietarian

One who lives in accordance with prescribed rules for diet; a dieter.

Dietary

A rule of diet; a fixed allowance of food, as in workhouse, prison, etc.

Dieter

One who diets; one who prescribes, or who partakes of, food, according to hygienic rules.

Dietetical Dietetic

Of or performance to diet, or to the rules for regulating the kind and quantity of food to be eaten.

Dietetics

That part of the medical or hygienic art which relates to diet or food; rules for diet.

Dietetist

A physician who applies the rules of dietetics to the cure of diseases.

Diethylamine

A colorless, volatile, alkaline liquid, NH(C2H5)2, having a strong fishy odor resembling that of herring or sardines. Cf. Methylamine.

Dietine

A subordinate or local assembly; a diet of inferior rank.

Diffame

Evil name; bad reputation; defamation.

Diffarreation

A form of divorce, among the ancient Romans, in which a cake was used. See Confarreation.

Differ

To cause to be different or unlike; to set at variance.

Difference

To cause to differ; to make different; to mark as different; to distinguish.

Different

Distinct; separate; not the same; other.

differentia

The formal or distinguishing part of the essence of a species, by which it is distinguished from other members of its genus; the characteristic attribute of a species; specific difference; as, a proper definition must have both genus and differentia.

differentiable

possessing a differential coefficient or derivative; -- of a mathematical expression.

differential

Relating to or indicating a difference; creating a difference; discriminating; special; as, differential characteristics; differential duties; a differential rate.

Differential

An increment, usually an indefinitely small one, which is given to a variable quantity.

differentiated

made different (especially in the course of development) or shown to be different; as, the differentiated markings of butterflies; the regionally differentiated results. Opposite of undifferentiated.

Difficile

Difficult; hard to manage; stubborn.

Difficult

To render difficult; to impede; to perplex.

Difficulty

The state of being difficult, or hard to do; hardness; arduousness; -- opposed to easiness or facility; as, the difficulty of a task or enterprise; a work of difficulty.

Diffidence

The state of being diffident; distrust; want of confidence; doubt of the power, ability, or disposition of others.

Diffident

Wanting confidence in others; distrustful.

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