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submillimeter
[ suhb-mil-uh-mee-ter ]
/ sʌbˈmɪl əˌmi tər /
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This shows grade level based on the word's complexity.
adjective
less than a millimeter in size: a submillimeter wave.
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Origin of submillimeter
First recorded in 1950–55; sub- + millimeter
Words nearby submillimeter
submersible, submetacentric, submetallic, submicron, submicroscopic, submillimeter, subminiature, subminiature camera, subminiaturize, subminimum, subminimum wage
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use submillimeter in a sentence
The image above was constructed with longer-wavelength light, using the Atacama Large Millimeter/submillimeter Array (ALMA).