femtokatal 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 katal English femtokatal From femto- + katal.
Meanings
- An SI unit of catalytic activity equal to 10⁻¹⁵ katals. Symbol: f
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| femtokatals | Number=Plur | lexicographic |