A polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are parallelograms.
Roget 244:
angularity,
angularness†;
aduncity†;
angle,
cusp,
bend;
fold
etc.
258;
notch
etc.
257;
fork,
bifurcation.
elbow,
knee,
knuckle,
ankle,
groin,
crotch,
crutch,
crane,
fluke,
scythe,
sickle,
zigzag,
kimbo†,
akimbo.
corner,
nook,
recess,
niche,
oriel [Arch.],
coign†.
right angle
etc.
(perpendicular)
216.1,
212;
obliquity
etc.
217;
angle of 45 degrees,
miter;
acute angle,
obtuse angle,
salient angle,
reentering angle,
spherical angle.
angular measurement,
angular elevation,
angular distance,
angular velocity;
trigonometry,
goniometry;
altimetry†;
clinometer,
graphometer†,
goniometer;
theodolite;
sextant,
quadrant;
dichotomy.
triangle,
trigon†,
wedge;
rectangle,
square,
lozenge,
diamond;
rhomb,
rhombus;
quadrangle,
quadrilateral;
parallelogram;
quadrature;
polygon,
pentagon,
hexagon,
heptagon,
octagon,
oxygon†,
decagon.
pyramid,
cone.
Platonic bodies;
cube,
rhomboid;
tetrahedron,
pentahedron,
hexahedron,
octahedron,
dodecahedron,
icosahedron,
eicosahedron;
prism,
pyramid;
parallelopiped;
curb roof,
gambrel roof,
mansard roof.
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Roget 428:
color,
hue,
tint,
tinge,
dye,
complexion,
shade,
tincture,
cast,
livery,
coloration,
glow,
flush;
tone,
key.
pure color,
positive color,
primary color,
primitive complementary color;
three primaries;
spectrum,
chromatic dispersion;
broken color,
secondary color,
tertiary color.
local color,
coloring,
keeping,
tone,
value,
aerial perspective.
[Science of color]
chromatics,
spectrum analysis,
spectroscopy;
chromatism†,
chromatography†,
chromatology†.
[instruments to measure color]
prism,
spectroscope,
spectrograph,
spectrometer,
colorimeter
(optical instruments)
445.
pigment,
coloring matter,
paint,
dye,
wash,
distemper,
stain;
medium;
mordant;
oil paint
etc.
(painting)
556.
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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: prisma
Polish: graniastosłup
Optical device having a triangular shape and made of glass or quartz; used to deviate a beam or invert an image.
synonym: optical prism.
Dutch: omkeerprisma, prisma
Polish: pryzmat