Prefix

Definitions

1. Something placed before another
2. 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.
3. 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.)
4. A title added to a person's name, such as Mr. or Dr.
5. An initial segment of a string of characters.

Equivalents

Examples

“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.”

“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”

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

CEFR level