Englishfor English speakers
tribal
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adjective
relating to or characteristic of a tribe
tribal customs
sub
Noun
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Short for submarine.
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Short for submarine sandwich.
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Short for substitute.
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Short for subscription.
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Short for submissive.
sub
Verb
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To substitute for.
I subbed for an injured player during last night's game.
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To work as a substitute teacher, especially in primary and secondary education.
Now that I've retired from my full-time teaching job, I'll do some subbing from time to time to keep busy and earn a little extra money.
Ms. Smith subs for Mr. Jones' math class when he's sick.
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, To replace (a player) with a substitute.
He never really made a contribution to the match, so it was no surprise when he was subbed at half time.
fraction
Noun
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A fraction is a part of a whole.
A fraction of the profits were donated to a local charity.
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A fraction is a ratio, presented with a line between the numerator above and the denominator below.