Definition of prefix verb from the Oxford Advanced Learner's Dictionary

 

prefix

 verb
verb
BrE BrE//ˈpriːfɪks//
 
; NAmE NAmE//ˈpriːfɪks//
 
Verb Forms present simple I / you / we / they prefix
BrE BrE//ˈpriːfɪks//
 
; NAmE NAmE//ˈpriːfɪks//
 
he / she / it prefixes
BrE BrE//ˈpriːfɪksɪz//
 
; NAmE NAmE//ˈpriːfɪksɪz//
 
past simple prefixed
BrE BrE//ˈpriːfɪkst//
 
; NAmE NAmE//ˈpriːfɪkst//
 
past participle prefixed
BrE BrE//ˈpriːfɪkst//
 
; NAmE NAmE//ˈpriːfɪkst//
 
-ing form prefixing
BrE BrE//ˈpriːfɪksɪŋ//
 
; NAmE NAmE//ˈpriːfɪksɪŋ//
 
 
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to add letters or numbers to the beginning of a word or number prefix A to B American members have the letters US prefixed to their code numbers. prefix B with A Their code numbers are prefixed with US. Word Origin mid 16th cent. (as a verb): from Old French prefixer, from Latin praefixus ‘fixed in front’, from the verb praefigere, from prae ‘before’ + figere ‘to fix’. The noun is from modern Latin praefixum, neuter (used as a noun) of praefixus, and dates from the mid 17th cent.
See the Oxford Advanced American Dictionary entry: prefix

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