decimeter

noun

deci·​me·​ter ˈde-sə-ˌmē-tər How to pronounce decimeter (audio)
: a unit of length equal to ⅒ meter see Metric System Table

Examples of decimeter 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.
The habitat density was as high as 4,300 organisms per square decimeter, roughly a hand-sized patch of rock. Georgina Jedikovska, Interesting Engineering, 28 May 2026 Over millions of years, metals in the surrounding seawater form coatings of iron and manganese oxides, with thicknesses ranging from a few millimeters to a few decimeters, depending on the age of the seamounts. Leonardo MacElloni, The Conversation, 10 Mar. 2026 Those large chunks, of centimeter-to-decimeter sizes, had never been observed before Deep Impact’s rendezvous with Hartley 2. Ethan Siegel, Big Think, 26 Aug. 2025 The researchers fabricated the actuators using a 2D molding process that can manufacture them at millimeter, centimeter, and decimeter scales. IEEE Spectrum, 12 Aug. 2025 For instance, the kilogram was defined as the weight of a liter — one cubic decimeter — of water. Jonathon Keats, Discover Magazine, 17 Dec. 2019

Word History

Etymology

French décimètre, from déci- deci- + mètre meter

First Known Use

1809, in the meaning defined above

Time Traveler
The first known use of decimeter was in 1809

Browse Nearby Words

Cite this Entry

“Decimeter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/decimeter. Accessed 6 Jun. 2026.

Kids Definition

decimeter

noun
deci·​me·​ter ˈdes-ə-ˌmēt-ər How to pronounce decimeter (audio)
: a unit of length equal to ⅒ meter see metric system

Medical Definition

decimeter

noun
deci·​me·​ter
variants or chiefly British decimetre
: a metric unit of length equal to ¹/₁₀ meter
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