submicron
adjective
- less than 1 micrometer in size
Wiktionary
adj
Etymology: Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English micron English submicron From sub- + micron.
- Smaller than micron-scale
noun
Etymology: Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English micron English submicron From sub- + micron.
- A unit smaller than a micron.