Hypertext Webster Gateway: "pollution"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Pollution \Pol*lu"tion\, n. [L. pollutio: cf. F. pollution.]
1. The act of polluting, or the state of being polluted (in
any sense of the verb); defilement; uncleanness; impurity.
2. (Med.) The emission of semen, or sperm, at other times
than in sexual intercourse. --Dunglison.
From WordNet (r) 1.7 (wn)
pollution
n 1: undesirable state of the natural environment being
contaminated with harmful substances as a consequence of
human activities
2: the state of being polluted [syn: {befoulment}, {defilement}]
3: the act of contaminating or polluting; including (either
intentionally or accidentally) unwanted substances or
factors [syn: {contamination}] [ant: {decontamination}]
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