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Dib

One of the small bones in the knee joints of sheep uniting the bones above and below the joints.

Dibasic

Having two acid hydrogen atoms capable of replacement by basic atoms or radicals, in forming salts; bibasic; -- said of acids, as oxalic or sulphuric acids. Cf. Diacid, Bibasic.

Dibasicity

The property or condition of being dibasic.

Dibble

To plant with a dibble; to make holes in (soil) with a dibble, for planting.

Dibbler

One who, or that which, dibbles, or makes holes in the ground for seed.

dibrach

a foot of two short (unstressed-unstressed) syllables.

dibranch

a cephalopod having two gills; a member of the Dibranchiata.

Dibranchia

comprising all living cephalopods except the family Nautilidae: the orders Octopoda (octopuses) and Decapoda (squids and cuttlefish).

Dibranchiata

An order of cephalopods which includes those with two gills, an apparatus for emitting an inky fluid, and either eight or ten cephalic arms bearing suckers or hooks, as the octopi and squids. See Cephalopoda.

dibs

A sweet preparation or treacle of grape juice, much used in the East.

dibstone

A pebble used in a child's game called dibstones.

dibutyl

A liquid hydrocarbon, C8H18, of the alkane series, being one of several octanes, and consisting of two butyl radicals. Cf. Octane.

dicalcic

Having two atoms or equivalents of calcium to the molecule.

dicarbonic

Containing two carbon residues, or two carboxyl groups or radicals; as, oxalic acid is the simplest dicarbonic acid. In the latter sense, synonymous with dicarboxylic; as, succinic acid is a dicarboxylic acid.

dicast

A functionary in ancient Athens resembling closely to the modern juryman.

dice

To cut into small cubes; as, to slice and dice carrots.

dicebox

A box from which dice are thrown in gaming.

Dicentra

A genus of herbaceous plants, with racemes of two-spurred or heart-shaped flowers, including the Dutchman's breeches, and the more showy Bleeding heart (Dicentra spectabilis).

dicephalous

Having two heads on one body; double-headed.

Dicer

A player at dice; a dice player; a gamester.

Dichastic

Capable of subdividing spontaneously.

Dichogamy

The condition of certain species of plants, in which the stamens and pistil do not mature simultaneously, so that these plants can never fertilize themselves.

Dichotomize

To separate into two parts; to branch dichotomously; to become dichotomous.

Dichotomous

Regularly dividing by pairs from bottom to top; as, a dichotomous stem.

Dichroic

Having the property of dichroism; as, a dichroic crystal.

Dichroism

The property of presenting different colors by transmitted light, when viewed in two different directions, the colors being unlike in the direction of unlike or unequal axes.

Dichroite

Iolite; -- so called from its presenting two different colors when viewed in two different directions. See Iolite.

Dichromate

A salt of chromic acid containing two equivalents of the acid radical to one of the base; -- called also bichromate.

Dichromic

Furnishing or giving two colors; -- said of defective vision, in which all the compound colors are resolvable into two elements instead of three.

Dichroscope

An instrument for examining the dichroism of crystals.

Dichroscopic

Pertaining to the dichroscope, or to observations with it.

Dicing

An ornamenting in squares or cubes.

Dickcissel

The American black-throated bunting (Spiza Americana).

Dicker

To negotiate a dicker; to barter.

dickie

A small 3rd seat in the back of an old-fashioned 2-seat car.

dickie-seat

A small 3rd seat in the back of an old-fashioned 2-seat car.

Dicksonia

A genus of tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems it is placed in the family Cyatheaceae.

Dicksoniaceae

A family of plants comprising the tree ferns; it includes the genera Dicksonia; Cibotium; Culcita; and Thyrsopteris.

Diclinous

Having the stamens and pistils in separate flowers.

Dicoccous

Composed of two coherent, one-seeded carpels; as, a dicoccous capsule.

dicot

same as dicotyledon.

dicotyledon

A plant whose seeds divide into two seed lobes, or cotyledons, in germinating.

Dicotyledonae

a class of plants comprising those seed plants that produce an embryo with two cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive); Caryophyllidae (an early and distinctive offshoot); and three more or less advanced groups: Dilleniidae; Rosidae; Asteridae.

dicotyledonous

Having two cotyledons or seed lobes; as, a dicotyledonous plant.

Dicrotic

Of or pertaining to dicrotism; as, a dicrotic pulse. Of or pertaining to the second expansion of the artery in the dicrotic pulse; as, the dicrotic wave.

Dicrotism

A condition in which there are two beats or waves of the arterial pulse to each beat of the heart.

Dictamnus

A suffrutescent herb, Dictamnus Fraxinella (the only species), with strong perfume and showy flowers. The volatile oil of the leaves is highly inflammable.

Dictaphone

A form of phonographic recorder and reproducer adapted for use in dictation, as in business.

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.

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