femtobecquerel
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
32
Scrabble Score
14
Letters
5
Syllables
11
Unique Chars
Meaning
noun
An SI unit of radioactive activity equal to 10⁻¹⁵ becquerels. Symbol: f
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 becquerel English femtobecquerel From femto- + becquerel.