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Webster's 1913 Dictionary
ROCHELLE
ROCHELLE
Ro
*chelle ", n.
Defn: A
seaport
town
in
France.
Rochelle
powders.
Same
as
Seidlitz
powders. --
Rochelle
salt
(
Chem.
),
the
double
tartrate
of
sodium
and
potassium,
a
white
crystalline
substance.
It
has
a
cooling,
saline,
slightly
bitter
taste
and
is
employed
as
a
mild
purgative.
It
was
discovered
by
Seignette,
an
apothecary
of
Rochelle,
and
is
called
also
Seignete's
salt.