Measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source.
Roget 420:
light,
ray,
beam,
stream,
gleam,
streak,
pencil;
sunbeam,
moonbeam;
aurora.
day;
sunshine;
light of day,
light of heaven;
moonlight,
starlight,
sunlight
etc.
(luminary)
432;
daylight,
broad daylight,
noontide light;
noontide,
noonday,
noonday sun.
glow
etc.
v.;
glimmering
etc.
v.;
glint;
play of light,
flood of light;
phosphorescence,
lambent flame.
flush,
halo,
glory,
nimbus,
aureola.
spark,
scintilla;
facula;
sparkling
etc.
v.;
emication†,
scintillation,
flash,
blaze,
coruscation,
fulguration†;
flame
etc.
(fire)
382;
lightning,
levin†,
ignis fatuus [Lat.],
etc.
(luminary)
423.
luster,
sheen,
shimmer,
reflexion [Brit.],
reflection;
gloss,
tinsel,
spangle,
brightness,
brilliancy,
splendor;
effulgence,
refulgence;
fulgor†,
fulgidity†;
dazzlement†,
resplendence,
transplendency†;
luminousness
etc.
adj.;
luminosity;
lucidity;
renitency†,
nitency†;
radiance,
radiation;
irradiation,
illumination.
actinic rays,
actinism;
Roentgen-ray,
Xray;
photography,
heliography;
photometer
etc.
445.
[Science of light]
optics;
photology†,
photometry;
dioptrics†,
catoptrics†.
[Distribution of light]
chiaroscuro,
clairobscur†,
clear obscure,
breadth,
light and shade,
black and white,
tonality.
reflection,
refraction,
dispersion;
refractivity.
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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: fotometer, fotoscoop, lichtmeter
Polish: luksomierz, fotometr
Photographic equipment that measures the intensity of light.
synonyms: exposure meter, light meter.
Dutch: belichtingsmeter, lichtmeter, luxmeter
Polish: światłomierz