Etymology

submicron

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Today it means: Smaller than micron-scale Full definition →

English micron ← Latin sub-
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The story

  1. Latinsub
  2. Latinsub-
  3. Englishsub-
  4. Englishmicron
  5. English todaysubmicron

From sub- + micron.

Etymology from Wiktionary, CC BY-SA 4.0.