: a unit of length equal to 1/100 meter see Metric System Table

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In the metric system, which is used in most countries of the world, each basic unit of measure of length, area, or volume can be divided into centimeters. A meter consists of 100 centimeters, a square meter consists of 10,000 square centimeters, and a cubic meter consists of 1,000,000 cubic centimeters.

Examples of centimeter in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
By changing the current sent to the motor, the researchers can set its jump height with single-centimeter accuracy. — Atharva Gosavi, Interesting Engineering, 26 Sep. 2026 Another investigation on 141 mothers found that an active cell phone placed in a box 20 centimeters (about 6 inches) from their abdomen for 10 minutes could affect their fetus’s heart rate. — New Atlas, 24 Sep. 2026 Forecasters said the storm could drop up to 20 inches (51 centimeters) of rain. — Megan Janetsky, Chicago Tribune, 24 Sep. 2026 About 140 new craters that appear on the moon each year — some of which can span about 30 feet (9 meters) across — are the work of space rocks measuring about 43 inches (109 centimeters) wide. — CNN Money, 21 Sep. 2026 See All Example Sentences for centimeter

Word History

First Known Use

1794, in the meaning defined above

Time Traveler
The first known use of centimeter was in 1794

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Cite this Entry

“Centimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/centimeter. Accessed 27 Sep. 2026.

Kids Definition

: a unit of length equal to ¹⁄₁₀₀ meter see metric system

Medical Definition

centimeter

noun
cen·​ti·​me·​ter
: a unit of length equal to 1/100 meter
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