تعريف / معنى femto

• English - Prefix: femto- In the International System of Units and other metric systems of units , multiplying the unit to which it is attached by 10 −15 . Symbol: f . Antonyms peta- Translations
• Danish - Prefix: femto- femto- (SI prefix for 10 -15 )
• Finnish - Prefix: femto- femto-
• French - Prefix: femto- femto-
• Italian - Prefix: femto- femto-