Definition of prefix

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Prefix (n.) 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..

Lern More About Prefix

To- :: To- (prep.) An obsolete intensive prefix used in the formation of compound verbs; as in to-beat, to-break, to-hew, to-rend, to-tear. See these words in the Vocabulary. See the Note on All to, or All-to, under All, adv..
Magneto- :: Magneto- () A prefix meaning pertaining to, produced by, or in some way connected with, magnetism..
Contra :: Contra () A Latin adverb and preposition, signifying against, contrary, in opposition, etc., entering as a prefix into the composition of many English words. Cf. Counter, adv. & pref..
Counter :: Counter (adv.) A prefix meaning contrary, opposite, in opposition; as, counteract, counterbalance, countercheck. See Counter, adv. & a..
Indo- :: Indo- () A prefix signifying Indian (i. e., East Indian); of or pertaining of India..
Mistress :: Mistress (n.) A title of courtesy formerly prefixed to the name of a woman, married or unmarried, but now superseded by the contracted forms, Mrs., for a married, and Miss, for an unmarried, woman..
Laevo- :: Laevo- () A prefix. See Levo.
Uni- :: Uni- () A prefix signifying one, once; as in uniaxial, unicellular..
Eu :: Eu () A prefix used frequently in composition, signifying well, good, advantageous; -- the opposite of dys-..
Un- :: Un- (adv.) An inseparable prefix, or particle, signifying not; in-; non-. In- is prefixed mostly to words of Latin origin, or else to words formed by Latin suffixes; un- is of much wider application, and is attached at will to almost any adjective, or participle used adjectively, or adverb, from which it may be desired to form a corresponding negative adjective or adverb, and is also, but less freely, prefixed to nouns. Un- sometimes has merely an intensive force; as in unmerciless, unremorseles
Intro- :: Intro- () A prefix signifying within, into, in, inward; as, introduce, introreception, introthoracic..
Hemi- :: Hemi- () A prefix signifying half.
Un- :: Un- (adv.) Those which have acquired an opposed or contrary, instead of a merely negative, meaning; as, unfriendly, ungraceful, unpalatable, unquiet, and the like; or else an intensive sense more than a prefixed not would express; as, unending, unparalleled, undisciplined, undoubted, unsafe, and the like..
Mal- :: Mal- () A prefix in composition denoting ill,or evil, F. male, adv., fr. malus, bad, ill. In some words it has the form male-, as in malediction, malevolent. See Malice..
Retro- :: Retro- () A prefix or combining form signifying backward, back; as, retroact, to act backward; retrospect, a looking back..
Ante- :: Ante- () A Latin preposition and prefix; akin to Gr. 'anti`, Skr. anti, Goth. and-, anda- (only in comp.), AS. and-, ond-, (only in comp.: cf. Answer, Along), G. ant-, ent- (in comp.). The Latin ante is generally used in the sense of before, in regard to position, order, or time, and the Gr. 'anti` in that of opposite, or in the place of..
Bin- :: Bin- () A euphonic form of the prefix Bi-.
What :: What (pron., a., & adv.) Sometimes prefixed to adjectives in an adverbial sense, as nearly equivalent to how; as, what happy boys!.
Derivative :: Derivative (n.) A word formed from another word, by a prefix or suffix, an internal modification, or some other change; a word which takes its origin from a root..
Proto- :: Proto- () A combining form prefix signifying first, primary, primordial; as, protomartyr, the first martyr; protomorphic, primitive in form; protoplast, a primordial organism; prototype, protozoan..
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