ROGET'S THESAURUS OF ENGLISH WORDS AND PHRASES ...

smoky, fumid † , murky, dirty.
426a. Turbidity -- N. turbidity, cloudiness, fog, haze, muddiness, haziness, obscurity.
nephelometer [instrument to measure turbidity].
Adj. turbid, thick, muddy, obfuscated, fuliginous † , hazy, misty, foggy, vaporous,
nubiferous † ; cloudy (cloud) 353.
smoky, fumid † , murky, dirty.
427. Semitransparency -- N. semitransparency, translucency, semiopacity; opalescence,
milkiness, pearliness † ; gauze, muslin; film; mica, mother-of-pearl, nacre; mist &c (cloud)
353.
[opalescent jewel] opal.
turbidity &c 426.1.
Adj. semitransparent, translucent, semipellucid † , semidiaphanous † , semiopacous † ,
semiopaque; opalescent, opaline † ; pearly, milky; frosted, nacreous.
V. opalesce.
(ii) SPECIFIC LIGHT
428. Color -- N. 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 &c (painting) 556.
V. color, dye, tinge, stain, tint, tinct † , paint, wash, ingrain, grain, illuminate, emblazon,
bedizen, imbue; paint &c (fine art) 556.
Adj. colored &c v.; colorific † , tingent † , tinctorial † ; chromatic, prismatic; full-colored,
high-colored, deep-colored; doubly-dyed; polychromatic; chromatogenous † ; tingible † .
bright, vivid, intense, deep; fresh, unfaded † ; rich, gorgeous; gay.
gaudy, florid; gay, garish; rainbow-colored, multihued; showy, flaunting, flashy; raw,
crude; glaring, flaring; discordant, inharmonious.
mellow, pastel, harmonious, pearly, sweet, delicate, tender, refined.
429. [Absence of color.] Achromatism -- N. achromatism † ; decoloration † , discoloration;
pallor, pallidness, pallidity † ; paleness &c adj.; etiolation; neutral tint, monochrome, black
and white.
V. lose color &c 428; fade, fly, go; become colorless &c adj.; turn pale, pale.