femtometer en · NOUN
Etymology
Etymology tree Proto-Indo-European *pénkʷe Proto-Germanic *fimf Proto-Indo-European *déḱm̥ Proto-Germanic *tehun Proto-Germanic *fimftehun Old Norse fimmtánder. Danish femtender. English femto- English meter English femtometer From femto- + meter.
Meanings
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(US, alt-of) US spelling of femtometre.
alt of femtometre
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| femtometers | Number=Plur | lexicographic |