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Webster's 1913 Dictionary
ELATROMETER
El
`a *trom "e *
ter,
n.
Etym:
[
Gr.
-
meter.
] (
Physics
)
Defn:
An
instrument
for
measuring
the
degree
of
rarefaction
of
air
contained
in
the
receiver
of
an
air
pump.
[
Spelt
also
elaterometer.
]
The Wordsmith Dictionary
The Wordsmith Dictionary