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tr.v. pre·fixed, pre·fix·ing, pre·fix·es
1. To put or attach before or in front of.
2. (prē-fĭks′) To settle or arrange in advance.
a. To add as a prefix.
b. To add a prefix to.
1. Grammar An affix, such as dis- in disbelieve, attached to the front of a word to produce a derivative word or an inflected form.
2. A letter, word, abbreviation, or number placed before a name, address, or other identifying label to indicate class or category: You have to indicate on the form whether you prefer the prefix Mr., Ms., or Dr.
[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.]
pre′fix·a′tion (-fĭk-sā′shən), pre·fix′ion (-fĭk′shən) n.