Meaning & Definition of word "Prefix"

Prefix

/ˈprɛfɪks/

1. A word, letter, or number placed before another.
- Example: The word 'unhappy' contains the prefix 'un-', which indicates negation.
2. A syllable or group of syllables added to the beginning of a word to alter its meaning.
- Example: In programming, the prefix 'sub-' is often used to denote a subroutine.
3. An affix placed before a stem word.
- Example: The prefix 'bio-' is commonly used in terms like 'biography' and 'biodiversity.'

1. To attach a prefix to a word.
- Example: You can prefix the word 'log' with 'bio-' to form 'biolog.'

From Latin 'praefixus', past participle of 'praefigere', meaning 'to fasten in front'.

prefix code:

A sequence of characters that precedes an identifier to show its category.

prefix tree:

A data structure that represents a set of strings, where keys are represented by paths in the tree.

suffix:

A letter or group of letters added at the end of a word.

infix:

A morpheme inserted within a word.

affix:

A general term for a prefix, suffix, infix, or circumfix.

Meaning: The 'pre' that's added to something for emphasis.

Example Sentence: He really put a prefix on that task, making it sound impressive.

Meaning: To give something a cool or trendy start.

Example Sentence: She likes to prefix everything with 'super' to make it fun.