sub: Meaning and Definition of

sub

1. a submarine.
2. a substitute.
3. a submarine sandwich. See
4. a subcontractor.
5. a sublieutenant.
6. a subordinate.
7. a subaltern.
8. an advance against one's wages, esp. one granted as a subsistence allowance.
9. a substratum.

1. to act as a substitute for another.

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

SUB

1. supplemental unemployment benefits.

sub-

1. 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).
2. subacetate; subcarbonate; subnitrate.
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.

sub.

1. subordinated.
2. subscription.
3. substitute.
4. suburb.
5. suburban.
6. subway.