Dictionary.com

known quantity

noun

Mathematics. a quantity whose value is given: in algebra, frequently represented by a letter from the first part of the alphabet, as a, b, or c.
any factor, circumstance, etc., that is already accepted or familiar: Her honesty is a known quantity.

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Question 1 of 10
A bet is synonymous with a wager, but what does it mean in New York?
Often it means something is impossible.
It’s another way to agree with someone.
It serves as an apology.
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Origin of known quantity

First recorded in 1975–80

Words nearby known quantity

Knowles, know like a book, known, know-nothing, Know-Nothings, known quantity, know one's own mind, know one's place, know one's stuff, know one's way around, know only too well
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020