Di- - Dictionary Of English

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di- [links] ⓘ One or more forum threads is an exact match of your searched term in Spanish | in French | in Italian | English synonyms | English Usage | Conjugator | in context | images WordReference Random House Learner's Dictionary of American English © 2025di-,1 prefix.
  1. di- comes from Greek, where it has the meaning "two, double''. This meaning is found in such words as: diode, dioxin, diptych.
Collins Concise English Dictionary © HarperCollins Publishers:: di- prefix
  1. twice; two; double: dicotyledon
    • containing two specified atoms or groups of atoms: dimethyl ether, carbon dioxide
    • a nontechnical equivalent of bi-1
Etymology: via Latin from Greek, from dis twice, double, related to duo two. Compare bi-1di- combining form
  1. variant of dia-: diopter
 WordReference Random House Learner's Dictionary of American English © 2025dia-, prefix.
  1. dia- comes from Greek, where it has the meanings "through, across, from point to point; completely.'' These meanings are found in such words as: diagnosis, dialogue, dialysis, diameter, diaphanous, diarrhea.
WordReference Random House Unabridged Dictionary of American English © 2025dia-,
  1. a prefix occurring in loanwords from Greek (diabetes; dialect) and used, in the formation of compound words, to mean "passing through'' (diathermy), "thoroughly,'' "completely'' (diagnosis), "going apart'' (dialysis), and "opposed in moment'' (diamagnetism).
Also,[esp. before a vowel,] di-.
  • Greek, combining form representing diá (preposition) through, between, across, by, of, akin to dýo two and di- di-1
dia.,
  1. Mathematicsdiameter.
WordReference Random House Unabridged Dictionary of American English © 2025di1 (dē),USA pronunciation prep.
  1. Foreign Termsfrom; of: used in Italian personal names, originally to indicate place of origin:Conte di Savòia.
Also, Di.
  • Latin dē
  • Italian
di2 (dē),USA pronunciation n. [Music.]
  1. Music and Dancea tone in the ascending chromatic scale between do and re.
  • perh. alteration of do2
Di (dī),USA pronunciation n.
  1. Chemistrya female given name, form of Diana.
DI,
    1. GovernmentDepartment of the Interior.
    2. drill instructor.
Di, [Symbol, Chem.]
  1. didymium.
di-1 :
  1. a prefix occurring in loanwords from Greek, where it meant "two,'' "twice,'' "double'' (diphthong); on this model, freely used in the formation of compound words (dicotyledon; dipolar) and in chemical terms (diatomic; disulfide).
Also, dis- 2. Cf. mono-.
  • Greek, combining form representing dís twice, double, akin to dýo two. See bi-, twi-
  • Middle English Latin
di-2 :
  1. var. of dis- 1 before b, d, l, m, n, r, s, v, and sometimes g and j: digest; divide.
di-3 :
  1. var. of dia- before a vowel:diorama.
di.,
  1. Mathematicsdiameter.
Also, dia. Collins Concise English Dictionary © HarperCollins Publishers:: dia-, di- prefix
  1. through, throughout, or during: diachronic
  2. across: diactinic
  3. apart: diacritic
Etymology: from Greek dia through, between, across, by 'di-' also found in these entries (note: many are not synonyms or translations): Agostino di Duccio - Angelico - artificial insemination - barramundi - benzodiazepine - Betti - bi- - Bronzino - butadiene - Cagliostro - Calabria - Campagna - Castellammare di Stabia - Cavour - Ciano - crescendo - D'Annunzio - deluge - DI - dia- - dianthus - diazepam - dichroic - diene - -diene - digest - dilemma - dimer - dimity - dinky-di - diode - dioecious - diphthong - diplo- - diprotodon - dipterous - diptych - dis- - dismiss - disperse - Di Stéfano - distich - dithionous acid - divagate - diverge - divert - divide - divulge - DOC - addition

🗣️Forum discussions with the word(s) "di-" in the title:

A pot a-yook, .... [a pot a cook but di food no nuf: Bob Marley] Can Dianna be shortened as Di? di-lysergic triune acid dinky di distribute /di'stribju:t/ OR /'distribju:t/ if you are trying to post, the adminstrator may have/has di La-di-da Accent Oh no you di-int! Penso di non poter/Non penso di poter Pronunciation of 'director' and 'dimension' [di- in AE vs BE] Pronunciation:fifteen /fif'di:n/ This thesis has been awarded the honor "dignità di stampa". Visit the English Only Forum.Help WordReference: Ask in the forums yourself. Look up "di-" at Merriam-Webster Look up "di-" at dictionary.com
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