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A metric unit of length equal to one trillionth of a meter
Answer for the clue "A metric unit of length equal to one trillionth of a meter ", 9 letters:
picometre
Word definitions for picometre in dictionaries
Wikipedia
Word definitions in Wikipedia
The picometre ( International spelling as used by the International Bureau of Weights and Measures ; SI symbol: pm ) or picometer ( American spelling ) is a unit of length in the metric system , equal to , or one trillionth of a metre , which is the SI ...
Wiktionary
Word definitions in Wiktionary
alt. 10 -12 of a metre. Symbol: pm n. 10 -12 of a metre. Symbol: pm
WordNet
Word definitions in WordNet
n. a metric unit of length equal to one trillionth of a meter [syn: picometer , micromicron ]