Optical device consisting of a surface with many parallel grooves in it; disperses a beam of light (or other electromagnetic radiation) into its wavelengths to produce its spectrum.
synonym: grating.
Roget 445:
optical instruments;
lens,
meniscus,
magnifier,
sunglass,
magnifying glass,
hand lens;
microscope,
megascope†,
tienoscope†.
spectacles,
specs [Coll.],
glasses,
barnacles,
goggles,
eyeglass,
pince-nez,
monocle,
reading glasses,
bifocals;
contact lenses,
soft lenses,
hard lenses;
sunglasses,
shades [Coll.].
periscopic lens†;
telescope,
glass,
lorgnette;
spyglass,
opera glass,
binocular,
binoculars,
field glass;
burning glass,
convex lens,
concave lens,
convexo-concave lens†,
coated lens,
multiple lens,
compound lens,
lens system,
telephoto lens,
wide-angle lens,
fish-eye lens,
zoom lens;
optical bench.
astronomical telescope,
reflecting telescope,
reflector,
refracting telescope,
refractor,
Newtonian telescope,
folded-path telescope,
finder telescope,
chromatoscope;
X-ray telescope;
radiotelescope,
phased-array telescope,
Very Large Array radiotelescope;
ultraviolet telescope;
infrared telescope;
star spectroscope;
space telescope.
[telescope mounts]
altazimuth mount,
equatorial mount.
refractometer,
circular dichroism spectrometer.
interferometer.
phase-contrast microscope,
fluorescence microscope,
dissecting microscope;
electron microscope,
transmission electron microscope;
scanning electron microscope,
SEM;
scanning tunneling electron microscope.
[microscope components]
objective lens,
eyepiece,
barrel,
platform,
focusing knob;
slide,
slide glass,
cover glass,
counting chamber;
illuminator,
light source,
polarizer,
[component parts of telescopes]
reticle,
cross-hairs.
light pipe,
fiber optics mirror,
reflector,
speculum;
looking-glass,
pier-glass,
cheval-glass,
rear-view mirror,
hand mirror,
one-way mirror,
magnifying mirror.
[room with distorting mirrors]
fun house.
prism,
diffraction grating;
beam splitter,
half-wave plate,
quarter-wave plate.
camera lucida [Lat.],
camera obscura [Lat.];
magic lantern
etc.
(show)
448;
stereopticon;
chromatrope†,
thaumatrope†;
stereoscope,
pseudoscope†,
polyscope†,
kaleidoscope.
photometer,
eriometer†,
actinometer†,
lucimeter†,
radiometer;
ligth detector,
photodiode,
photomultiplier,
photodiode array,
photocell.
X-ray diffractometer,
goniometer.
spectrometer,
monochrometer,
UV spectrometer,
visible spectrometer,
Infrared spectrometer,
Fourier transform infrared spectrometer,
recording spectrometer;
densitometer,
scanning densitometer,
two-dimensional densitometer.
abdominoscope†,
gastroscope [Med.],
helioscope†,
polariscope†,
polemoscope†,
spectroscope.
abdominoscopy†;
gastroscopy [Med.];
microscopy,
microscopist.
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Dutch: tralie
Polish: siatka dyfrakcyjna