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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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femininity
feminise
feminism
feminize
femme
femme fatale
femora
femoral
femto-
femur
fen
fence
fence in
fence off
fence sitter
fencerow
fencing
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femto-
femto-


prefix 
Definition:
 
one millionth of a billionth: one quadrillionth, or millionth of a billionth (10-15)
Symbol  f
femtometer
[< Danish or Norwegian femten "fifteen"]
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