effluvium
American Heritage Dictionary:
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ef·flu·vi·um
(ĭ-flū'vē-əm) 
n., pl., -vi·a (-vē-ə), or -vi·ums.
n., pl., -vi·a (-vē-ə), or -vi·ums.
- A usually invisible emanation or exhalation, as of vapor or gas.
- A byproduct or residue; waste.
- The odorous fumes given off by waste or decaying matter.
- An impalpable emanation; an aura.
[Latin, from effluere, to flow out. See effluent.]
effluvial ef·flu'vi·al adj.Word Tutor:
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effluvia
IN BRIEF: Something especially subtle and invisible that flows out or issues forth. (Plural).
A novel indoor air quality investigation was associated with carbon dioxide and methane accumulation, presumably from effluvia from geologic sources
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Saunders Veterinary Dictionary:
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effluvium
Pl. effluvia [L.]
1. an outflowing or shedding, as of the hair.
2. an exhalation or emanation, especially one of noxious nature.
- anagen e. — see anagen defluxion.
Random House Word Menu:
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categories related to 'effluvium'
- Smells - effluvium: slight trace or invisible exhalation of vapor, usu. noxious or disagreeable
- Rites, Practices, Spells, and Symbols - effluvium: vapor; offensive-smelling emanation
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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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