Definition of Infrared
In`fra`red´
a.
1.
(Physics)
Lying
outside
the
visible
spectrum
at
its
red
end
; -
said
of
rays
having
a
longer
wavelength
(
and
thus
less
refrangible
)
than
the
extreme
red
rays
,
specifically
those
electromagnetic
waves
having
a
wavelength
of
between
700
nanometers
and
1
millimeter
.
2.
relating
to
,
using
,
or
producing
infrared
radiation
.
3.
affected
by
infrared
radiation
;
as
,
infrared
detector
;
infrared
film
.
Related Words
invisible
,
unseeable
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Infractible
Infraction
Infractor
Infragrant
Infrahyoid
Infralabial
Infralapsarian
Infralapsarianism
Inframarginal
Inframaxillary
Inframedian
Inframundane
Infranchise
Infrangibility
Infrangible
Infrangibleness
Infraocular
Infraorbital
Infrapose
Infraposition
Infrared Radiation
Infrascapular
Infraspinal
Infraspinate
Infrastapedial
Infrasternal
Infratemporal
Infraterritorial
Infratrochlear
Infrequence
Infrequent
Infrequently
Infrigidate
Infrigidation
Infringe
Infringement
Infringer
Infructuose
Infrugal
Infrugiferous
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