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.

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Origin of sub

by shortening of words prefixed with sub-

regional variation note for sub

4. 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)

sub.

subordinated.
subscription.
substitute.
suburb.
suburban.
subway.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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 salaryFormal term: subsistence allowance

verb subs, subbing or subbed

British Dictionary definitions for sub (2 of 3)

sub-

prefix

situated under or beneathsubterranean
secondary in rank; subordinatesubeditor
falling short of; less than or imperfectlysubarctic; subhuman
forming a subdivision or subordinate part of a wholesubcommittee
(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

British Dictionary definitions for sub (3 of 3)

sub.

abbreviation for

subeditor
subito (in music)
subscription
substitute
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for sub

sub-

pref.

Below; under; beneath:subcutaneous.
Subordinate; secondary:subinfection.
Subdivision:subkingdom.
Less than completely or normally; nearly; almost:subfertility.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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.)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.