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Webster's 1913 Dictionary
CONCENTRATOR
CONCENTRATOR
Con
"cen *tra `
tor,
n. (
Mining
)
Defn:
An
apparatus
for
the
separation
of
dry
comminuted
ore,
by
exposing
it
to
intermittent
puffs
of
air.
Knight.
The Wordsmith Dictionary
The Wordsmith Dictionary