- The definition of a prefix is a word or part of a word that is placed at the beginning of another word to change its meaning.
An example of prefix is adding extra to ordinary, creating extraordinary.
- to fix to the beginning of a word, etc.; esp., to add as a prefix
- Rare to fix beforehand
Origin: Middle English prefyxen from Middle French prefixer from Classical Latin praefixus, past participle of praefigere from prae-, before (see pre-) plush figere, to fix
- a syllable, group of syllables, or word joined to the beginning of another word or a base to alter its meaning or create a new word (Ex.: pre- in precool, un- in unsure)
- a title that is placed before a person's name, as Dr.
- an identifying letter or number placed before another number, etc.
Origin: ModL praefixum < neut. of L praefixus: see prefixthe
Used by arrangement with John Wiley & Sons, Inc.
transitive verb pre·fixed, pre·fix·ing, pre·fix·es
- To put or attach before or in front of.
- To settle or arrange in advance.
- Grammar a. To add as a prefix.b. To add a prefix to.
- Grammar An affix, such as dis- in disbelieve, attached to the front of a word to produce a derivative word or an inflected form.
- A title placed before a person's name.
Origin: Middle English prefixen, from Old French prefixer : pre-, before (from Latin prae-; see pre-) + fixer, to place (from Latin fīxus, past participle of fīgere, to fasten; see dhīgw- in Indo-European roots). N., from New Latin praefīxum, from neuter sing. of Latin praefīxus, past participle of praefīgere, to fix in front : prae-, pre- + fīgere, to fasten.
- preˈfixˌal adjective
- preˈfixˌal·ly adverb
- preˌfix·aˈtion , pre·fixˈion noun
prefix - Computer Definition
The beginning or to add to the beginning. To prefix a header onto a packet means to place the header characters in front of the packet. "To prefix" at the beginning is the opposite of "to append" characters at the end. See prepend.
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prefix - Cultural Definition
Letters placed in front of a word to form a new word: “trimonthly,” “semimonthly,” “bilingual,” “multilingual,” “address,” “redress,” “predate,” “postdate.” (Compare suffix.)