The difference between Sub and Wedge
When used as nouns, sub means a submarine, whereas wedge means one of the simple machines.
When used as verbs, sub means to substitute for, whereas wedge means to support or secure using a wedge.
Sub is also preposition with the meaning: under.
check bellow for the other definitions of Sub and Wedge
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Sub as a noun:
A submarine.
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Sub as a noun:
A submarine sandwich: a sandwich made on a long bun.
Examples:
"We can get subs at that deli."
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Sub as a noun (informal):
A substitute, often in sports.
Examples:
"With the score 4 to 1, they brought in subs''."
"She worked as a sub until she got her teaching certificate."
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Sub as a noun (British, informal, often in plural):
A subscription: a payment made for membership of a club, etc.
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Sub as a noun (informal):
A submissive in BDSM practices.
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Sub as a noun (Internet, informal):
A subtitle.
Examples:
"I've just noticed a mistake in the subs for this film."
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Sub as a noun (computing, programming):
A subroutine (sometimes one that does not return a value, as distinguished from a function, which does).
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Sub as a noun (colloquial):
A subeditor.
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Sub as a noun (colloquial):
A subcontractor.
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Sub as a noun (colloquial, dated):
A subordinate.
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Sub as a noun (colloquial, dated):
A subaltern.
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Sub as a noun (colloquial):
A subscription to an online channel or feed.
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Sub as a noun (colloquial):
A subscriber to an online channel or feed.
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Sub as a verb (US, informal):
To substitute for.
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Sub as a verb (US, informal):
To work as a substitute teacher, especially in primary and secondary education.
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Sub as a verb (British, informal, football):
To replace (a player) with a substitute.
Examples:
" He never really made a contribution to the match, so it was no surprise when he was subbed at half time."
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Sub as a verb (British, informal, football):
Less commonly, and often as sub on, to bring on (a player) as a substitute.
Examples:
"He was subbed on half way through the second half, and scored within minutes."
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Sub as a verb (British):
To perform the work of a subeditor or copy editor; to subedit.
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Sub as a verb (UK, slang, transitive):
To lend.
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Sub as a verb (slang, intransitive):
To subscribe.
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Sub as a verb (BDSM):
To take a submissive role.
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Sub as a preposition:
Under.
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Sub as a verb:
To coat with a layer of adhering material; to planarize by means of such a coating.
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Sub as a verb (microscopy):
To prepare (a slide) with an layer of transparent substance to support and/or fix the sample.
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Wedge as a noun:
One of the simple machines; a piece of material, such as metal or wood, thick at one edge and tapered to a thin edge at the other for insertion in a narrow crevice, used for splitting, tightening, securing, or levering.
Examples:
"Stick a wedge under the door, will you? It keeps blowing shut."
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Wedge as a noun:
A piece (of food, metal, wood etc.) having this shape.
Examples:
"Can you cut me a wedge of cheese?"
"We ordered a box of baked potato wedges with our pizza."
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Wedge as a noun (geometry):
A five-sided polyhedron with a rectangular base, two rectangular or trapezoidal sides meeting in an edge, and two triangular ends.
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Wedge as a noun (figurative):
Something that creates a division, gap or distance between things.
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Wedge as a noun (archaic):
A flank of cavalry acting to split some portion of an opposing army, charging in an inverted V formation.
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Wedge as a noun (golf):
A type of iron club used for short, high trajectories.
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Wedge as a noun:
A group of geese, swans or other birds when they are in flight in a V formation.
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Wedge as a noun:
One of a pair of wedge-heeled shoes.
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Wedge as a noun (colloquial, British):
A quantity of money.
Examples:
"I made a big fat wedge from that job."
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Wedge as a noun (typography, US):
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Wedge as a noun (phonetics):
The character ⟨⟩, which denotes an open-mid back unrounded vowel.
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Wedge as a noun (mathematics):
The symbol , denoting a meet (infimum) operation or logical conjunction.
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Wedge as a noun (meteorology):
a wedge tornado
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Wedge as a verb:
To support or secure using a wedge.
Examples:
"I wedged open the window with a screwdriver."
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Wedge as a verb (ambitransitive):
To force into a narrow gap.
Examples:
"He had wedged the package between the wall and the back of the sofa."
"I wedged into the alcove and listened carefully."
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Wedge as a verb:
To work wet clay by cutting or kneading for the purpose of homogenizing the mass and expelling air bubbles.
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Wedge as a verb (computing, informal, intransitive):
Of a computer program or system: to get stuck in an unresponsive state.
Examples:
"My Linux kernel wedged after I installed the latest update."
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Wedge as a noun (UK, Cambridge University slang):
The person whose name stands lowest on the list of the classical tripos.