DIOPTRICS
DIOPTRICS, noun That part of optics which treats of the refractions of light passing through different mediums, as through air, water or glass.
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Webster's Dictionary 1828
American Dictionary of the English Language, Noah Webster, 1828.
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DIORISM
DIORISM, noun [Gr.] Definition. [Rarely used.]
DIORISTIC
DIORISTIC, adjective Distinguishing; defining. [Rarely used.]
DIORISTICALLY
DIORISTICALLY, adverb In a distinguishing manner. [Rarely used.]
DIP
DIP, verb transitivepreterit tense and participle passive dipped or dipt. [G.]1. To plunge or immerse, for a moment or short time, in water or other liquid substance; to put int...
DIP-CHICK
DIP-CHICK, noun A small bird that dives.
DIPETALOUS
DIPETALOUS, adjective [Gr., a leaf or petal.] Having two flower-leaves or petals; two-petaled.
DIPH-THONG
DIPH-THONG, noun [Gr., sound; Latin] A coalition or union of two vowels pronounced in one syllable. In uttering a diphthong, both vowels are pronounced; the sound is not simple,...
DIPHTHONGAL
DIPHTHONGAL, adjective Belonging to a diphthong; consisting of two vowel sounds pronounced in one syllable.
DIPHYLLOUS
DIPHYLLOUS, adjective [Gr., a leaf.] In botany, having two leaves, as a calyx, etc.
DIPLOE
DIPLOE, noun [Gr., double.] The soft meditullium, medullary substance, or porous part, between the plates of the skull.
DIPLOMA
DIPLOMA, noun [Gr., to double or fold. Anciently, a letter or other composition written on paper or parchment and folded; afterwards, an y letter, literary monument, or public d...
DIPLOMACY
DIPLOMACY, noun [This word, like supremacy, retains the accent of its original.]1. The customs, rules and privileges of embassadors, envoys and other representatives of princes ...
DIPLOMATED
DIPLOMATED, adjective Made by diplomas.
DIPLOMATIC
DIPLOMATIC, adjective1. Pertaining to diplomas; privileged.2. Furnished with a diploma; authorized by letters or credentials to transact business for a sovereign at a foreign co...
DIPLOMATICS
DIPLOMATICS, noun The science of diplomas, or of ancient writings, literary and public documents, letters, decrees, charters, codicils, etc., which has for its object to deciphe...
DIPPER
DIPPER, noun1. One that dips; he or that which dips.2. A vessel used to dip water or other liquor; a ladle.
DIPPING
DIPPING, participle present tense1. Plunging or immersing into a liquid and speedily withdrawing, as to ascertain the temperature of water by dipping the finger int it; baptizin...
DIPPING-NEEDLE
DIPPING-NEEDLE, noun A needle that dips; a magnetic needle which dips or inclines to the earth; an instrument which shows the inclination of the magnet, at the different points ...
DIPRISMATIC
DIPRISMATIC, adjective [di and prismatic.] Doubly prismatic.
DIPSAS
DIPSAS, noun [gr., dry, thirsty; to thirst.] A serpent whose bite produces a mortal thirst. See Deuteronomy 8:1.
DIPTER
DIPTER, DIPTERA, noun [Gr., a wing.] The dipters are an order of insects having only two wings, and two poisers, as the fly.
DIPTERA
DIPTER, DIPTERA noun [Gr., a wing.] The dipters are an order of insects having only two wings, and two poisers, as the fly.
DIPTERAL
DIPTERAL, adjective Having two wings only.
DIPTOTE
DIPTOTE, noun [Gr., to fall.] In grammar, a noun which has only two cases; as, suppetiae, supetias.
DIPTYCH
DIPTYCH, noun [Gr., to fold.] A public register of the names of consuls and other magistrates among pagans; and of bishops, martyrs and others, among Christians; so called becau...
DIPYRE
DIPYRE, noun A mineral occurring in minute prisms, either single or adhering to each other in fascicular groups. Before the blowpipe, it melts with ebullition or intumescence, a...