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noun B2 Upper-Intermediate Common

axis

AK-sihs

Axis (noun) means an imaginary straight line around which something rotates or is arranged symmetrically. Example: “The Earth spins on its axis once every 24 hours.”

noun
1
An imaginary straight line around which something rotates or is arranged symmetrically.
"The Earth spins on its axis once every 24 hours."
"The vase was perfectly symmetrical along its central axis."
2
A fixed reference line on a graph, used to plot and measure data.
"Sales figures are plotted on the vertical axis."
"She labeled the x-axis with the months of the year."
3
An alliance between countries or groups acting together, especially a political or military one.
"The two nations formed an axis against their common rival."
4
The central point or focus of an activity or discussion.
"Trade policy became the axis of the entire debate."

How to Use Axis

Learner’s notes

In plain EnglishA central line something turns around, or (more loosely) a central point that everything else is organized around.

Common mistake

Capitalized "Axis" usually refers specifically to the WWII alliance of Germany, Italy, and Japan — lowercase "axis" is the general geometric or figurative sense.

Common pairings
axis of rotation x-axis axis of symmetry

Word Forms

axes plural, axiis plural, axises plural

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Test yourself on “axis” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

The Earth spins on its _____ once every 24 hours.

Etymology

Borrowed in the 16th century from Latin axis, meaning "axle" or "axis" — the same root that gives us "axle".

Origin: Latin · First attested 1500

Class of 1500 axis joined the language around 1500.
See the full Class of 1500 →

Related Words

Rhymes for axis

See all rhymes for axis →

Frequently Asked Questions

What does “axis” mean?

The word “axis” means an imaginary straight line around which something rotates or is arranged symmetrically. In plain terms, a central line something turns around, or (more loosely) a central point that everything else is organized around.

How do you pronounce “axis”?

“Axis” is pronounced AK-sihs (/ˈæksɪs/ in IPA).

How do you use “axis” in a sentence?

Here is “axis” used in a sentence: “The Earth spins on its axis once every 24 hours.”

What part of speech is “axis”?

“Axis” is a noun.

Where does the word “axis” come from?

The word “axis” dates back to around 1500 and comes from Latin. Borrowed in the 16th century from Latin axis, meaning "axle" or "axis" — the same root that gives us "axle".

Is “axis” a common word?

“Axis” is a fairly common word in modern English, usually learned at around the B2 level.

How many meanings does “axis” have?

“Axis” has 4 distinct senses listed in this dictionary. The most common is: an imaginary straight line around which something rotates or is arranged symmetrically.

What is the plural of axis?

The plural of axis is axes, pronounced "AK-seez." It looks identical in writing to axes, the plural of axe, but the two words are pronounced differently and are unrelated.

What is the difference between an axis and an axle?

An axis is an imaginary straight line around which something rotates, such as the Earth's axis. An axle is a real, physical rod or shaft on which wheels turn. The Earth spins on an axis; a car's wheels spin on an axle.

What are the x-axis and y-axis on a graph?

On a graph, each axis is a fixed reference line used to plot and measure data: the x-axis runs horizontally and the y-axis runs vertically. A point's position is given by its distance along each axis, written as coordinates such as (3, 5).

What is an axis in politics and war?

In politics, an axis is an alliance between countries or groups acting together, especially in a political or military sense. The best-known example is the Axis powers of the Second World War, chiefly Germany, Italy, and Japan, and the term still appears regularly in geopolitical writing.

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