düy
91dichlorodiethyl sulfide — /duy klawr oh duy eth euhl, klohr , klawr , klohr /, Chem. See mustard gas. [DI 1 + CHLORO 2 + DI 1 + ETHYL + SULFIDE] * * * …
92dichogamous — /duy kog euh meuhs/, adj. Bot. having the stamens and pistils maturing at different times, thereby preventing self pollination, as a monoclinous flower (opposed to homogamous). Also, dichogamic /duy koh gam ik/. [1855 60; DICHO + GAMOUS] * * * …
93dichroic — /duy kroh ik/, adj. 1. characterized by dichroism: dichroic crystal. 2. dichromatic. Also, dichroitic /duy kroh it ik/. [1860 65; < Gk díchro(os) of two colors + IC; see DI 1, CHROIC] * * * …
94dichromatism — /duy kroh meuh tiz euhm/, n. 1. the quality or state of being dichromatic. 2. Also called dichromatopsia /duy kroh meuh top see euh/. Ophthalm. a defect of vision in which the retina responds to only two of the three primary colors. Cf.… …
95dicot — /duy kot/, n. Bot. a dicotyledon. Also, dicotyl /duy kot l/. [by shortening] * * * …
96dicotyledon — /duy kot l eed n, duy kot l /, n. Bot. any angiospermous plant of the class (or subclass) Dicotyledoneae, producing seeds with two cotyledons and having an exogenous manner of growth. Cf. monocotyledon. [1720 30; < NL Dicotyledones a pre Linnean… …
97dicotyledonous — /duy kot l eed n euhs, duy kot l /, adj. belonging or pertaining to the Dicotyledoneae; having two cotyledons. [1785 95; DICOTYLEDON + OUS] * * * …
98dicyclopentadienyliron — /duy suy kloh pen teuh duy en l uy euhrn/, n. Chem. ferrocene (def. 1). [DI 1 + CYCLOPENTADIENE + YL + IRON] * * * …
99dicyclopentadienyl metal — /duy suy kloh pen teuh duy en l/, Chem. ferrocene (def. 2). [DI 1 + CYCLOPENTADIENE + YL] * * * …
100didrachm — /duy dram /, n. a silver coin of ancient Greece equal to two drachmas. Also, didrachma /duy drak meuh/. [1540 50; < LL didrachmon < Gk dídrachmon worth two drachms. See DI 1, DRACHMA] * * * …
