prefix

B1

前缀, 称谓 [计] 地区号码, 前缀

发音

其它 /ˈpɹiːfɪks/
其它 /ˈpɹiːfɪks/
US /ˈpɹiːfɪks/

词形变化

prefices prefixes 复数 prefixes prefixed prefixes 三单 prefixing prefixt prefixing 现在分词 prefixed 过去式 prefixed 过去分词

别名

pfx pref. preffix prex præfix pref prefixe

释义与例句

n. B1
  1. 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.

    前缀

    词头

    语言学
  2. 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.)

    媒体 工程

    in the UK, a number with an 0800 prefix is a toll-free number.

    Add the prefix +34 to dial a Spanish number from abroad

  3. 3.

    Something placed before another

    A title added to a person's name, such as Mr. or Dr.

  4. 4.

    Something placed before another

    An initial segment of a string of characters.

    计算机 工程 数学

    The string "abra" is both a prefix and a suffix of the string "abracadabra".

v.
  1. 1.

    To determine beforehand; to set in advance.

    及物
  2. 2.

    To put or fix before, or at the beginning of something; to place at the start.

    及物

词汇关系

名词

上位词 1

affix

下位词 1

alpha privative
动词

反义词 1

suffix

上位词 1

affix

相关短语

prefix notation [计] 前缀表示法 prefix coding prefix codings prefix tree prefix trees prefix code [计] 前缀代码, 字首码 prefix codes international call prefix separable prefix zero prefix null prefix metric prefix SI prefix ship prefix

词源

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.

来源：wiktionary