Online Google Dictionary

prefix 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/ˈprēˌfiks/,
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prefixes, plural;
  1. Add (something) at the beginning as a prefix or introduction
    • - a preface is prefixed to the book
  2. Add a prefix or introduction to (something)
    • - all three-digit numbers will now be prefixed by 580
Noun
  1. A word, letter, or number placed before another
    • - add the prefix 83 to the extension number
  2. An element placed at the beginning of a word to adjust or qualify its meaning, e.g., ex-, non-, re- or (in some languages) as an inflection

  3. A title placed before a name, e.g., Mr

  1. an affix that is added in front of the word
  2. attach a prefix to; "prefixed words"
  3. A prefix is an affix which is placed before the stem of a word. Particularly in the study of Semitic languages, a prefix is called a preformative, because it alters the form of the words to which it is affixed.
  4. A subsequence, substring, prefix or suffix of a string is a subset of the symbols in a string, where the order of the elements is preserved. In this context, the terms string and sequence have the same meaning.
  5. An affix is a morpheme that is attached to a word stem to form a new word. Affixes may be derivational, like English -ness and pre-, or inflectional, like English plural -s and past tense -ed. They are bound morphemes by definition; prefixes and suffixes may be separable affixes. ...
  6. That which is prefixed; especially one or more letters or syllables added to the beginning of a word to modify its meaning; as, pre- in prefix, con- in conjure; To determine beforehand; to set in advance. [from 15th c. ...
  7. Prefixes come at the beginning of a word and modify the meaning. Most medical terms do not have a prefix; "acellular" is an exception. "A-" is a prefix meaning "without."
  8. (Prefixes) Choose to search only words that start with prefixes, such as dis-.
  9. (Prefixes) The system for matrix identification employed by Victor Records from 1903 on included the use of letter prefixes before each master (Matrix) number. In the acoustic recording era, each master number was preceded by a letter that indicated the size of the master disc. ...
  10. Prefixes are names or symbols that precede a unit of measure to represent very big or very small numerical values in S.I. units.
  11. A prefix is a part of the dialing sequence used to access a service or conference type. See also Gateway supported prefixes and conferencing service.
  12. The sequence of specifying instructions and data in which the operation precedes the data. For example, adding one and two would be done as + 1 2. Prefix is also referred to as Polish notation. ...
  13. A word part that is added to the beginning of a base word that changes the sense or meaning of the root or base word (e.g. re-, dis-, com-). See Suffix, Root
  14. In predicate logic wffs in which all quantifiers are clustered at the left, the section of quantifiers. See matrix; prenex normal form.
  15. Some page names at Wikiversity have a prefix such as "Topic:" or "School:". Such pages with prefixes are in namespaces, special collections of pages that all serve a related function. ...
  16. A morpheme added to the beginning of a word. For instance, the prefix re- can be added to the word play to create the word replay.
  17. A field of the Host record. An optional string which follows the Host name in a Midgard targeted URL. It may be seen as a prefix to the requested Page or as a suffix to the Host name. Different prefixes enable separate virtual Hosts with the same Host name and port number.
  18. An operator that precedes its operand, as in ++$x.
  19. A string (see there) that is in the beginning of a word (see there). A prefix is a special form of an infix (see there). In content analysis that can be a single letter (or another character).
  20. Attached to the beginning of words to modify their meaning such as Mega, kile, milli, and micro.  Examples of numbers with a unit of measure that has a prefix: 1.2 Mega-Ohms, 25 kilo-Volts, 124 milli-amps, etc
  21. A prefix is a morpheme which is added before a root morpheme in the formation of a word. See morphology.
  22. A prefix is used as the first part of certain kinds of name. A prefix is either a function call or a name.
  23. a group of letters that is added to the beginning of a word to change its meaning
  24. prefix: The cattery name at the beginning of the cat\'s name, indicating the breeder\'s cattery. For example, in the name \"CH Sheenah\'s Ashley of Ashmanor, DM\" the prefix is \"Sheenah\'s\" (\"CH\" is a title).
  25. Number assigned to a type of mortgage pool that is used to identify  the general characteristics of the loans that comprise the group. ...