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Pronunciation varies by accent · noun
(metrology) An SI unit of relative power equal to 10⁻¹⁵ bels. Symbol: f.
Use femtobel when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Femtobel means (metrology) An SI unit of relative power equal to 10⁻¹⁵ bels. Symbol: f.
Common synonyms include fB.
The opposite depends on the specific sense.
Use femtobel where its definition matches the intended context.
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