submicron

adjective sub·mi·cron \ ˌsəb-ˈmī-ˌkrän \

Definition of submicron

1 : being less than a micron in a (specified) measurement and especially in diameter
  • a submicron particle
2 : having or consisting of submicron particles
  • a submicron metal powder

First Known Use of submicron

1916

in the meaning defined at sense 1

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Medical Dictionary

submicron

adjective sub·mi·cron \ -ˈmī-ˌkrän \

medical Definition of submicron

1 : being less than a micron in a (specified) measurement and especially in diameter
  • a submicron particle
2 : having or consisting of submicron particles
  • submicron aerosols

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