verb (used with object), polluted, polluting.
to make foul or unclean, especially with harmful chemical or waste products; dirty:
to pollute the air with smoke.
to make morally unclean; defile.
to render ceremonially impure; desecrate:
to pollute a house of worship.
Informal. to render less effective or efficient:
The use of inferior equipment has polluted the company’s service.
to contaminate, as with poisonous or harmful substances
to make morally corrupt or impure; sully
to desecrate or defile
late 14c., “to defile,” a back formation from pollution, or else from Latin pollutus, past participle of polluere “to defile, pollute, contaminate.” Related: Polluted; polluting. Meaning “make physically foul” is from 1540s; specific sense “contaminate the environment” emerged from late 19c.
pollute pol·lute (pə-lōōt’)
v. pol·lut·ed, pol·lut·ing, pol·lutes
complexity The set or property of problems for which no polynomial-time algorithm is known. This includes problems for which the only known algorithms require a number of steps which increases exponentially with the size of the problem, and those for which no algorithm at all is known. Within these two there are problems which are […]
[pop-yuh-ler] /ˈpɒp yə lər/ adjective 1. regarded with favor, approval, or affection by people in general: a popular preacher. 2. regarded with favor, approval, or affection by an acquaintance or acquaintances: He’s not very popular with me just now. 3. of, relating to, or representing the people, especially the common people: popular discontent. 4. of […]
[pawr-uh s, pohr-] /ˈpɔr əs, ˈpoʊr-/ adjective 1. full of . 2. permeable by water, air, etc. /nɒnˈpɔːrəs/ adjective 1. not permeable to water, air, or other fluids /ˈpɔːrəs/ adjective 1. permeable to water, air, or other fluids 2. (biology, geology) having pores; poriferous 3. easy to cross or penetrate: the porous border into Thailand, […]
[non-poz-i-tiv] /nɒnˈpɒz ɪ tɪv/ adjective, Mathematics. 1. (of a real number) less than or equal to zero.