CUBE ROOT • DICCIONARIO INGLES.COM • 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

... 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

... mysteries of the higher mathematics, was early remarkable. It might be reasonably expected of the child of seven who was brought down from the primary benches and lifted up to the blackboard to demonstrate a difficult problem in cube root to the big boys and girls of the upper class that he should make rapid and masterful ...

— The Bay State Monthly - Volume 2, Issue 3, December, 1884 • Various

... 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

... could not have passed a normal school examination, but they could do what our graduates now cannot do—that is, make and mend a quill pen. Those were all the pens we had, and many a time have I chased our geese to get a new quill. The teachers patiently guided our wobbling ideas from the alphabet to cube root. The lessons over, we were told to "toe the crack," and "make obeisance," and were then put through our paces in the field of general knowledge. I still remember, from their drilling, the country, territory, county, and ...

— Journeys Through Bookland, Vol. 5 • Charles Sylvester

... 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