cube root

American  

noun

Mathematics.

1. a quantity of which a given quantity is the cube.

   The cube root of 64 is 4.

---

cube root British  

noun

1. the number or quantity whose cube is a given number or quantity: 2 is the cube root of 8 (usually written ³√ 8 or 8 ^1⁄3 )

---

cube root Scientific  

1. The number whose cube is equal to a given number. For example, the cube root of 125 is 5, since 5 ³ = 125.

---

Etymology

Origin of cube root

First recorded in 1690–1700

Example Sentences

See Examples For:

cube root

Susan: No, the cube root of 2,197 is 14.

From Scientific American ● Nov. 25, 2020

The next example involves a cube root and so will require different thinking.

From Textbooks ● May 6, 2020

More notably, 2017 is the smallest whole number whose cube root begins with ten distinct digits:

From The Guardian ● Jan. 2, 2017

We know that because Because the cube root is easy to find, it is easiest to find the cube root before squaring for this problem.

From Textbooks ● Feb. 13, 2015

Similarly the cube root of 2197 is 13.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 5 "Arculf" to "Armour, Philip" by Various