sub

[ suhb ]
/ sʌb /
Informal.

noun

verb (used without object), subbed, sub·bing.

to act as a substitute for another.

verb (used with object), subbed, sub·bing.

Photography. to coat (a film or plate) with a substratum.

Origin of sub

by shortening of words prefixed with sub-

regional variation note for sub

3. See hero sandwich.

Definition for sub (2 of 4)

SUB

supplemental unemployment benefits.

Definition for sub (3 of 4)

sub-

a prefix occurring originally in loanwords from Latin (subject; subtract; subvert; subsidy); on this model, freely attached to elements of any origin and used with the meaning “under,” “below,” “beneath” (subalpine; substratum), “slightly,” “imperfectly,” “nearly” (subcolumnar; subtropical), “secondary,” “subordinate” (subcommittee; subplot).
Chemistry.
  1. a prefix indicating a basic compound: subacetate; subcarbonate; subnitrate.
  2. a prefix indicating that the element is present in a relatively small proportion, i.e., in a low oxidation state: subchloride; suboxide.
Also su-, suc-, suf-, sug-, sum-, sup-, sur-, sus-.

Origin of sub-

< Latin, combining form representing sub (preposition); akin to Greek hypó; see hypo-

Definition for sub (4 of 4)

Example sentences from the Web for sub

British Dictionary definitions for sub (1 of 3)

sub
/ (sʌb) /

noun

short for several words beginning with sub- See subaltern, subeditor, submarine, subordinate, subscription, substandard, substitute, substratum (def. 6)
British informal an advance payment of wages or salary Formal term: subsistence allowance

verb subs, subbing or subbed

British Dictionary definitions for sub (2 of 3)

sub.

abbreviation for

subeditor
subito (in music)
subscription
substitute

British Dictionary definitions for sub (3 of 3)

sub-

prefix

situated under or beneath subterranean
secondary in rank; subordinate subeditor
falling short of; less than or imperfectly subarctic; subhuman
forming a subdivision or subordinate part of a whole subcommittee
(in chemistry)
  1. indicating that a compound contains a relatively small proportion of a specified elementsuboxide
  2. indicating that a salt is basic saltsubacetate

Word Origin for sub-

from Latin sub

Medical definitions for sub

sub-

pref.

Below; under; beneath:subcutaneous.
Subordinate; secondary:subinfection.
Subdivision:subkingdom.
Less than completely or normally; nearly; almost:subfertility.

Scientific definitions for sub

sub-

A prefix that means “underneath or lower” (as in subsoil), “a subordinate or secondary part of something else” (as in subphylum.), or “less than completely” (as in subtropical.)