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

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

From Scientific American • Nov. 25, 2020

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

From The Guardian • Jan. 2, 2017

Figure 21 For the cube root function the domain and range include all real numbers.

From Textbooks • Feb. 13, 2015

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

He had asked for the cube root of 4, but had really meant to ask for the cube of that number, viz.,

From Clever Hans (The horse of Mr. Von Osten): A contribution to experimental animal and human psychology by Pfungst, Oskar