prefix

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. Something placed before another; A morpheme added to the beginning of a word to modify its meaning, for example as, pre- in prefix, con- in conjure, re- in reheat, etc.
    — The chosen prefixes won the vote in part because they start with the only two letters left in the alphabet that are not already used in measurement. The b for “bronto” is already used for bytes and h for “hella” is used for hecto, the prefix for 100.
  2. Something placed before another; A set of digits placed before a telephone number, to indicate where the number is based, what type of phone number it is (landline, mobile, toll-free, premium rate etc.)
    — in the UK, a number with an 0800 prefix is a toll-free number.
  3. Something placed before another; A title added to a person's name, such as Mr. or Dr.
  4. Something placed before another; An initial segment of a string of characters.
    — The string "abra" is both a prefix and a suffix of the string "abracadabra".
动词 v.
  1. To determine beforehand; to set in advance. transitive
    — They duly arrived at the prefixed hour.
  2. To put or fix before, or at the beginning of something; to place at the start. transitive
    — His requests for money were usually prefixed by an apology.

词形变化

prefixes plural præfix alternative,obsolete prefixe alternative,obsolete prefixes present,singular,third-person prefixing participle,present prefixed participle,past prefixed past præfix alternative,obsolete prefixe alternative,obsolete

词汇关系

近义词
forefix
衍生词
metric prefix null prefix prefixal prefixhood prefixing prefixive prefixless ~ness prefixlike prefixness prefixoid pseudoprefix SI prefix zero prefix prefixable prefixation prefixed unprefixed prefixer auto~
相关词
fix pre- prefixion prepend coverb

词源

词源 1
Borrowed from Late Latin praefīxum, from Latin praefīxus, past participle of praefīgō (“to (fix, fasten, set up) in front”, “to fix on the (end, extremity)”) (from prae- (“before”) + fīgō (“to fix”, “to fasten”, “to affix”)), equivalent to pre- + -fix. Doublet of the archaic synonym prefixum.
词源 2
From Middle English prefixen, from Middle French prefixer, from Latin praefīxus, past participle of praefīgō (“to (fix, fasten, set up) in front”, “to fix on the (end, extremity)”) (from prae- (“before”) + fīgō (“to fix”, “to fasten”, “to affix”)), equivalent to pre- + -fix.
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