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Efferent
efferent neuron
Efferous
Effervesce
Effervescence
Effervescent
Effervescible
effervescing
Effervescive
Effet
Effete
Efficacious
efficaciously
efficaciousness
efficacity
efficacy
-- efficience --
efficiency
efficiency apartment
efficiency engineer
efficiency expert
efficiency of a heat engine
efficient
Efficient cause
Efficiently
Effierce
Effigial
Effigiate
Effigiation
Effigies
Effigy
Efflagitate
Efflate
efficience
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ef`fi´cience
Pronunciation:
ĕf`fĭsh´
e
ns
n.
1.
The
quality
of
being
efficient
or
producing
an
effect
or
effects
;
efficient
power
;
effectual
agency
.
The
manner
of
this
divine
efficiency
being
far
above
us
.
- Hooker.
2.
(Mech.)
The
ratio
of
useful
work
to
energy
expended
.
efficiency of a heat engine
the
ratio
of
the
work
done
by
an
engine
,
to
the
work
due
to
the
heat
supplied
to
it
.
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