Word Study
effluvium
CIDE DICTIONARY
Subtile or invisible emanation; exhalation perceived by the sense of smell; especially, noisome or noxious exhalation; as, the effluvium from diseased or putrefying bodies, or from ill drainage. [1913 Webster]
OXFORD DICTIONARY
effluvium, n. (pl. effluvia) an unpleasant or noxious odour or exhaled substance affecting the lungs or the sense of smell etc.
Etymology
L (as EFFLUENT)
THESAURUS
effluvium
afterdamp, aroma, aura, blackdamp, breath, chokedamp, cloud, coal gas, damp, definite odor, detectable odor, ectoplasm, ectoplasy, emanation, essence, exhalation, exhaust, exhaust gas, exteriorized protoplasm, fetid air, firedamp, flatus, flavor, fluid, fragrance, fume, malaria, mephitis, miasma, odor, puff of smoke, redolence, reek, savor, scent, smell, smoke, smudge, spoor, steam, stench, subtle odor, trace, trail, vapor, volatile, water vapor, whiffROGET THESAURUS
effluvium
Gaseity
N gaseity, vaporousness, flatulence, flatulency, volatility, aeration, aerification, elastic fluid, gas, air, vapor, ether, steam, essence, fume, reek, effluvium, flatus, cloud, ammonia, ammoniacal gas, volatile alkali, vacuum, partial vacuum, pneumatics, pneumatostatics, aerostatics, aerodynamics, gasmeter, gasometer, air bladder, swimming bladder, sound, (of a fish), gaseous, aeriform, ethereal, aerial, airy, vaporous, volatile, evaporable, flatulent.Odor
N odor, smell, odorament, scent, effluvium, emanation, exhalation, fume, essence, trail, nidor, redolence, sense of smell, scent, act of smelling, olfaction, olfactories, fragrance, odorant, bloodhound, hound, spoor, odorous, odoriferous, smelling, reeking, foul-smelling, strong- scented, redolent, graveolent, nidorous, pungent, putrid, foul, olfactory, quick-scented.For further exploring for "effluvium" in Webster Dictionary Online