WordGarden.iocubic
B1Pronunciation
UK
- /kjˈuːbɪk/
US
- /ˈkjubɪk/
Meanings
Adjective
shaped like a cube or having cube-like form
used to measure volume in cube-based units
involving the third power or a third-degree equation
Beyond the definition
Imagine building with LEGO bricks—those perfect little blocks are often cube-shaped! The word "cubic" comes from "cube," referring to a solid object with six equal square faces. But it's not just about shape; it also describes things measured in cubes, especially volume. You might talk about "cubic feet" when measuring the space inside a room or "cubic centimeters" when describing the size of a small object or the displacement of an engine. A cubic world, like the one found in Minecraft, is one entirely built on blocks!
Think of the Rubik's Cube—it's perfectly cube-shaped and challenges you to think in three dimensions. Or consider ice cubes, which are small, blocky pieces of frozen water. In art, design, and architecture, "cubic" can also describe something that looks strongly block-like or boxy.
The term "cubic" fundamentally relates to the shape of a cube—a three-dimensional object with six square faces, all equal in size, meeting at right angles. However, its meaning extends far beyond simple visual form. It is the primary descriptor for the concept of volume and measurement in three-dimensional space.
When you encounter terms like "cubic meters" or "cubic yards," you are looking at a measurement of capacity—essentially, how many cubes of that specific unit would fit inside a space. This is a vital calculation in fields like construction (determining how much concrete is needed), engineering (calculating the fuel capacity of a tank), and science (measuring the volume of a liquid or gas). In mathematics, "cubic" also refers to the third power of a number or an equation (a cubic equation) where the highest exponent is three.
"Cubic" isn't limited to strict mathematics, though. It is often used descriptively to emphasize a blocky, geometric appearance in art or architecture. A "cubic building" might have a stark, modernist design. In chemistry and mineralogy, "cubic" can also describe crystals with cube-like symmetry. From the ancient surveyors who calculated land volume to modern digital artists creating voxel-based worlds, "cubic" remains an essential term for describing the structure of our three-dimensional reality.
Examples
- 1
Physical shape
The room was filled with large, cubic blocks of ice.
- 2
Volume measurement
This water tank can hold up to 2,000 cubic meters of water.
- 3
Medical measurement
The doctor said the tumor was less than one cubic centimeter in size.
- 4
Algebra
We spent most of the lesson learning how to solve a cubic equation.
- Domain
in algebra, a cubic equation includes x³
More examplesFewer examples
- 5
Jewelry
Her ring has cubic zirconia, not a real diamond.
- Phrasecubic zirconia
a diamond-like artificial stone
See also
Forms and spellings
1 form open this card.
Main spelling
- cubicadjective