| 释义 |
di-enUK
di- 1pref.1. Two; twice; double: dichromatic.2. Containing two atoms, radicals, or groups: dichloride.
[Greek; see dwo- in Indo-European roots.]
di- 2pref. Variant of dia-.di- prefix 1. twice; two; double: dicotyledon. 2. (Chemistry) a. containing two specified atoms or groups of atoms: dimethyl ether; carbon dioxide. b. a nontechnical equivalent of bi-15c [via Latin from Greek, from dis twice, double, related to duo two. Compare bi-1]
di- combining form variant of dia-: diopter. DI drill instructor. Di
Chem. Symbol. didymium. di-1 , a combining form meaning “two,” “double”: diamide; dicotyledon; dihedron. Compare dis- 2. [< Greek, comb. form representing dís twice, double, akin to dýo two. compare bi-1, twi-] di-2 , var. of dis- 1 before b, d, l, m, n, r, s, v, and sometimes g and j: digest; divide. di-3 , var. of dia- before a vowel: diorama. di. diameter. di- A prefix that means "two," "twice," or "double." It is used commonly in chemistry, as in dioxide, a compound having two oxygen atoms.di-enUK
di-[dī] (science and technology) Prefix meaning two. di-enUK
di- word element [Gr., L.], two.di- (dī), Prefix meaning two, twice. chemistry often used in place of bis- when not likely to be confusing, for example, dichloro- compounds. Compare: bi-, bis-. [G. dis, two] di- 1. Prefix meaning two, twice. 2. chemistry Often used in place of bis- when not likely to be confusing; e.g., dichloro compounds.
Compare: bi-, bis-[G. dis, two]di- prefix denoting two, twice.DI-
| Acronym | Definition |
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| DI-➣Two (Prefix) |
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