Definitions for: Prefix

[n] an affix that added in front of the word
[v] attach a prefix to; "prefixed words"

Webster (1913) Definition: Pre*fix", v. t. [imp. & p. p. Prefixed; p. pr. & vb.
n. Prefixing.] [L. praefixus, p. p. of praefigere to fix or
fasten before; prae before + figere to fix: cf. F. pr['e]fix
fixed beforehand, determined, pr['e]fixer to prefix. See
Fix.]
1. To put or fix before, or at the beginning of, another
thing; as, to prefix a syllable to a word, or a condition
to an agreement.

2. To set or appoint beforehand; to settle or establish
antecedently. [Obs.] `` Prefixed bounds. '' --Locke.

And now he hath to her prefixt a day. --Spenser.

Pre"fix, n. [Cf. F. pr['e]fixe.]
That which is prefixed; esp., one or more letters or
syllables combined or united with the beginning of a word to
modify its signification; as, pre- in prefix, con- in
conjure.

prefix abr decimal binary
yocto- 1000^-8
zepto- 1000^-7
atto- 1000^-6
femto- f 1000^-5
pico- p 1000^-4
nano- n 1000^-3
micro- * 1000^-2 * Abbreviation: Greek mu
milli- m 1000^-1
kilo- k 1000^1 1024^1 = 2^10 = 1,024
mega- M 1000^2 1024^2 = 2^20 = 1,048,576
giga- G 1000^3 1024^3 = 2^30 = 1,073,741,824
tera- T 1000^4 1024^4 = 2^40 = 1,099,511,627,776
peta- 1000^5 1024^5 = 2^50 = 1,125,899,906,842,624
exa- 1000^6 1024^6 = 2^60 = 1,152,921,504,606,846,976
zetta- 1000^7 1024^7 = 2^70 = 1,180,591,620,717,411,303,424
yotta- 1000^8 1024^8 = 2^80 = 1,208,925,819,614,629,174,706,176

Antonyms: suffix

See Also: affix, affix, alpha privative

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