A prefix is the intergal portion of an object (a word or term [typically in text or speech]) with a distinct and reused meaning that modifies the meaning of the whole object.
In the true context of language, the word prefix itself is made up of the base fix (meaning "attach" in this case), and the prefix pre-, meaning "before. " To prefix is to attach before, for example, Unfair has a prefix: "Un. " Specific types of prefixes include:
- In linguistics, a type of affix that precedes the morphemes, hence modifying the base semantics for a word. Linguistics is the scientific study of Language, encompassing a number of sub-fields An affix is a Morpheme that is attached to a stem to form a word Semantics is the study of meaning in communication The word derives from Greek σημαντικός ( semantikos) "significant" from
- Numerical prefix, used for magnitudes of SI units, like 'kilo' and 'milli' in 'kilometre' and 'milligram. Numerical prefixes are usually derived from the words for numbers in various languages most commonly Greek and Latin, although this is not always the case ' See also SI prefix. An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol to form a Decimal multiple or
- Polish notation, a method of mathematical expression, also known as prefix notation
- Telephone prefix, the first set of digits in a telephone number not a country code or area code
- Network address prefix, the initial part of a network address, used in address delegation and routing
- ITU prefix, a call sign for radio and television stations
- Prefix (computer science), a prefix of a string. Polish notation, also known as prefix notation, is a form of notation for Logic, Arithmetic, and Algebra. A telephone prefix is the first set of digits of a telephone number in the North American Numbering Plan countries (country code 1 it is the first three digits out of a seven-digit A route distinguisher is an address qualifer used only within a single Internet service provider 's Multi-Protocol Label Switching (MPLS network The International Telecommunication Union (ITU allocates call sign prefixes for radio and television stations of all types 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
- Prefix code
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