CUBE ROOT • FREE TRANSLATOR.ORG • Definition of Cube root

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/kjub rut/ Listen

noun

Cube n.

(Geom.) A regular solid body, with six equal square sides.

(Math.) The product obtained by taking a number or quantity three times as a factor; as, 4x4=16, and 16x4=64, the cube of 4.

Cube ore (Min.), pharmacosiderite. It commonly crystallizes in cubes of a green color.

Cube root. (Math.), the number or quantity which, multiplied into itself, and then into the product, produces the given cube; thus, 3 is the cube root of 27, for 3x3x3 = 27.

Cube spar (Min.), anhydrite; anhydrous calcium sulphate.

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Etymology of 'Cube root'

Collaborative International Dictionary of English 0.48

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"Cube root" Quotes from Famous Books

... said. "I think I understand cube root pretty well now. It was a good idea working by myself. When I left school I had only got through fractions. That's seventy-five pages back and I understand all that I have tried since. I won't be satisfied till I have gone to the end ...

— Robert Coverdale's Struggle - Or, On The Wave Of Success • Horatio, Jr. Alger

... cubic number and a cube root. Mark off the places in threes. Find the first digit; treble it and place it under the next but one, and multiply by the digit. Then find the second digit. Multiply the first triplate and the second digit, twice by this digit. ...

— The Earliest Arithmetics in English • Anonymous

... limited to relating irrational elements. Mathematics is the only perfect science, inasmuch as it adds, subtracts, multiplies, and divides numbers, but not real and substantial things, inasmuch as it is the most formal of the sciences. Who can extract the cube root of an ash-tree? ...

— Tragic Sense Of Life • Miguel de Unamuno

... Iowa.—Nominal horse power is merely a conventional expression for diameter of cylinder and length of stroke, and does not apply to the actual power of the engine. It is found by multiplying the cube root of the stroke in feet by the square of the diameter in inches and dividing the product by 47. This rule is based upon the postulate established by Watt, that the speed of a piston with two feet stroke is 160 feet per minute, and that for longer strokes the speed varies ...

— Scientific American, Vol.22, No. 1, January 1, 1870 • Various

... must have been great fun—once. Nowadays one would as lief be a Strasburg goose. When you and I went to school it was not quite so bad. True, neither of us could now extract a cube root with a stump puller, and it is sad to reflect how little call life has made for duodecimals. Sometimes it seems that all our struggle with moody verbs and insubordinate conjunctions was a wicked waste—poor little sleepy ...

— The Desire of the Moth; and The Come On • Eugene Manlove Rhodes