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Webster's 1913 Dictionary
SPECTROPHONE
SPECTROPHONE
Spec
"tro *
phone,
n. [
Spectrum
+
Gr.
sound.
]
Defn:
An
instrument
constructed
on
the
principle
of
the
photophone
and
used
in
spectrum
analysis
as
an
adjunct
to
the
spectroscope.
--
Spec
`tro *
phon
"
ic
(#), a.
The Wordsmith Dictionary
The Wordsmith Dictionary