Picometer
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 US spelling of picometre. US, alt-of
- 2 a metric unit of length equal to one trillionth of a meter wordnet
Antonyms
All antonymsEtymology
From pico- + meter.
noun ·Rare ·Advanced level
From pico- + meter.