Word.ws English Dictionary

submillimeter

submillimeter adjective: less than a millimeter in size.

Adjective

submillimeter (not comparable)

  1. Less than a millimeter in size.

Noun

submillimeter (plural submillimeters)

  1. A unit or measurement that is less than a millimeter.
    • The sizes vary from four to five millimeters, or with laminar resolution functional magnetic resonance imaging (lfMRI), to submillimeters.2022, Fouad Sabry, Brain Reading

Forms of submillimeter

Adjective
alternative formsubmillimetre
Noun
pluralsubmillimeters

Origin of submillimeter

* sub- + millimeter

Words formed from submillimeter

Phrases with submillimeter

Questions about submillimeter

What does submillimeter mean?
Submillimeter means less than a millimeter in size.
What part of speech is submillimeter?
Submillimeter can be an adjective or a noun.

Words near submillimeter in the dictionary

  1. submilisecond
  2. submillennial
  3. submilliarcsecond
  4. submillihartree
  5. submillikelvin
  6. submillimeter
  7. submillimeter galaxies
  8. submillimeter galaxy
  9. submillimeter wave radiation
  10. submillimeters
  11. submillimetre

Source and license

Adapted from Wiktionary: submillimeter (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “submillimeter.” Word.ws, https://word.ws/submillimeter. Based on Wiktionary, CC BY-SA 4.0.