Di- (prefix)
Di- comes straight from the Greek and means twice or double or twofold, as in diacid, diamelia (absence of two limbs), diandry (double male genetic contribution) and digyny (double female genetic contribution); the drugs diazepam, dicyclomine (Bentyl), and diethylstilbestrol (DES); etc.

Medical dictionary. 2011.

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  • préfix — préfix, ixe [ prefiks ] adj. • XIVe; lat. præfixus ♦ Dr. Vx Déterminé, fixé d avance. Au jour et au lieu préfix, au terme préfix (⇒ préfixion) . ⊗ HOM. Préfixe. ● préfix, préfixe adjectif (latin praefixus, placé avant) Délai préfix, délai… …   Encyclopédie Universelle

  • préfix — préfix, ixe (pré fiks, fi ks ; l x se prononçait d après Chifflet, Gramm. p. 218, comme ch) adj. Fixé d avance, déterminé. •   Au jour et au lieu préfix, Monsieur enverrait sans délai un pareil nombre de personnes, RETZ III, 100. •   Daniel n… …   Dictionnaire de la Langue Française d'Émile Littré

  • prefix — PREFÍX, prefixe, s.n. 1. Afix care se ataşează înaintea rădăcinii sau a temei unui cuvânt, pentru a forma un derivat. 2. (În telefonia interurbană automată) Număr care indentifică o anumită localitate sau ţară şi se formează înaintea numărului de …   Dicționar Român

  • prefix — Prefix, [pref]ixe. adj. Arresté, determiné. Jour prefix. temps prefix. heure prefixe. somme prefixe. On appelle, Doüaire prefix, Le douaire qui consiste en certaine somme marquée & determinée par les conventions matrimoniales …   Dictionnaire de l'Académie française

  • Prefix — Pre*fix , v. t. [imp. & p. p. {Prefixed}; p. pr. & vb. n. {Prefixing}.] [L. praefixus, p. p. of praefigere to fix or fasten before; prae before + figere to fix: cf. F. pr[ e]fix fixed beforehand, determined, pr[ e]fixer to prefix. See Fix.] [1913 …   The Collaborative International Dictionary of English

  • prefix — ► NOUN 1) a word, letter, or number placed before another. 2) an element placed at the beginning of a word to alter its meaning (e.g. non , re ) or (in some languages) as an inflection. 3) a title placed before a name (e.g. Mr). ► VERB 1) add as… …   English terms dictionary

  • prefix — [prē′fiks΄; ] for v., also [ prē fiks′] vt. [ME prefyxen < MFr prefixer < L praefixus, pp. of praefigere < prae , before (see PRE ) + figere, to FIX] 1. to fix to the beginning of a word, etc.; esp., to add as a prefix 2. Rare to fix… …   English World dictionary

  • Prefix — Pre fix, n. [Cf. F. pr[ e]fixe.] That which is prefixed; esp., one or more letters or syllables combined or united with the beginning of a word to modify its signification; as, pre in prefix, con in conjure. [1913 Webster] …   The Collaborative International Dictionary of English

  • prefix — In grammar, a prefix is a word or element added at the beginning of another word to adjust or qualify its meaning, such as ex (ex husband), non (non smoking), and super (supermodel) …   Modern English usage

  • prefix — early 15c. (v.), 1640s (n.), from L. praefixus, pp. of praefigere fix in front, from prae before (see PRE (Cf. pre )) + root of figere to fasten, fix (see FIX (Cf. fix)) …   Etymology dictionary

  • Prefix code — A prefix code is a code, typically a variable length code, with the prefix property : no code word is a prefix of any other code word in the set. A code with code words {0, 10, 11} has the prefix property; a code consisting of {0, 1, 10, 11} does …   Wikipedia

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