| dicoccous | <botany> Composed pf two coherent, one-seeded carpels; as, a dicoccous capsule. Origin: Gr. = twice + grain, seed. Source: Websters Dictionary (01 Mar 1998) |
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| dicofol | <chemical> An organochlorine insecticide. Pharmacological action: insecticide, organochlorine. Chemical name: Benzenemethanol, 4-chloro-alpha-(4-chlorophenyl)-alpha-(trichloromethyl)- (12 Dec 1998) |
| dicophane | 1,1,1-Trichloro-2,2-bis(p-chlorophenyl)ethane;an insecticide that came into prominence during and after World War II. For a time it proved very effective, but insect populations rapidly developed tolerance for it, hence much of its original effectiveness has been lost; general usage is now widely discouraged because of the toxicity that results from the environmental persistence of this agent. Synonym: chlorophenothane, dicophane. Acronym: DDT (05 Mar 2000) |
| dicoria | Synonym: diplocoria. Origin: G. Di-, two, + kore, pupil (05 Mar 2000) |
| dicot | A subclass of of monocot (09 Oct 1997) |
| dicotyledon | A subclass of of Angiosperms. They tend to have: Broad leaves Two cotyledons Netlike veins in the leaves flower parts are usually in fours or fives A ring of primary vascular bundles in the stem taproot system Compare: monocot (09 Oct 1997) |
| dicotyledonous | <botany> Having two cotyledons or seed lobes; as, a dicotyledonous plant. Source: Websters Dictionary (01 Mar 1998) |