cubic

1 of 2

adjective

cu·​bic ˈkyü-bik 

1

: having the form of a cube : cubical

2

a

: relating to the cube considered as a crystal form

b

: isometric sense 1

3

a

: three-dimensional

b

: being the volume of a cube whose edge is a specified unit

cubic inch

4

: of third degree, order, or power

a cubic polynomial

cubic

2 of 2

noun

: a cubic curve, equation, or polynomial

Examples of cubic in a Sentence

Recent Examples on the Web

Adjective

With the back seat extended flat, the cargo area expands to 46.2 cubic feet. —James Raia, Mercury News, 22 June 2025

The village also anticipates raising its water rate by 15% for an increase of 99 cents per 100 cubic feet of water. —Richard Requena, Chicago Tribune, 21 June 2025

Noun

Natural Gas October contract: $2.27 per thousand cubic, up 1.7%. —Spencer Kimball, CNBC, 11 Sep. 2024

Before long, Cardano could solve any depressed cubic. —Quanta Magazine, 30 June 2022

Word History

First Known Use

Adjective

15th century, in the meaning defined at sense 1

Noun

1799, in the meaning defined above

Phrases Containing cubic

• cubic equation
• cubic measure
• cubic zirconia
• cubic zirconium

Rhymes for cubic

• pubic
• cherubic
• suprapubic

Kids Definition

cubic

adjective

cu·​bic

ˈkyü-bik

variants also cubical

-bi-kəl

1

: having the form of a cube

2

a

: having length, width, and height

b

: relating to volume

3

: being or having the volume of a cube whose edge is a specified unit

cubic centimeter

cubic inch

cubically

-bi-k(ə-)lē

adverb