Try Our Apps
Dictionary.com

follow Dictionary.com

Words You've Been Using Wrong

known quantity

noun
1.
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.
2.
any factor, circumstance, etc., that is already accepted or familiar:
Her honesty is a known quantity.
Origin of known quantity
1975-1980
First recorded in 1975-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
Cite This Source
Examples from the Web for known quantity
Contemporary Examples
Historical Examples
  • I should thus get the half weight of my body—a known quantity, you will recollect.

    The Cliff Climbers Captain Mayne Reid
  • These tanks are filled with water and a known quantity of slaked lime.

    The Manufacture of Paper Robert Walter Sindall
  • The individual with the point of view must, of course, be a known quantity.

    The Serf Guy Thorne
  • The temper of Lady Dawlish is a known quantity, and the quality of it is alarming.

  • She had an atomic weight upon which you could depend as upon any other known quantity.

    Unveiling a Parallel

    Alice Ilgenfritz Jones and Ella Marchant

Word of the Day

Nearby words for known quantity

Word Value for known

12
14
Scrabble Words With Friends