pollution
Physical contamination, now especially the contamination of the environment by harmful substances, or by disruptive levels of noise, light etc.
Something that pollutes; a pollutant.
(rare) The desecration of something holy or sacred; defilement, profanation.
(archaic) The ejaculation of semen outside of sexual intercourse, ''especially'' a nocturnal emission.
Moral or spiritual corruption; impurity, degradation, defilement.
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