ef·fing 
(ĕfĭng)
(ĕfĭng)adv. & adj.
Vulgar Slang
Vulgar Slang
Used as an intensive.
[From EF, in reference to the euphemistic use of f to represent the word FUCK.]
- coefficient
- coefficient of correlation
- coefficient of friction
- coefficient of self-induction
- coefficient of viscosity
- -coel
- coelacanth
- coelacanthine
- coelacanthous
- -coele
- coelenterate
- coelenteric
- coelenteron
- coeliac
- coeliac
- coelom
- coelomate
- coelomic
- coelophysis
- coelurosaur
- coelurosaurian
- coeno-
- coenobite
- coenobite
- coenocyte