[puh-loo-shuh n] /pəˈlu ʃən/
the act of or the state of being .
the introduction of harmful substances or products into the environment:
the act of polluting or the state of being polluted
harmful or poisonous substances introduced into an environment
mid-14c., “discharge of semen other than during sex,” later, “desecration, defilement” (late 14c.), from Late Latin pollutionem (nominative pollutio) “defilement,” noun of action from past participle stem of Latin polluere “to soil, defile, contaminate,” from por- “before” + -luere “smear,” from PIE root *leu- “dirt; make dirty” (cf. Latin lutum “mud, mire, clay,” lues “filth;” Greek lyma “filth, dirt, disgrace,” lymax “rubbish, refuse;” Old Irish loth “mud, dirt;” Lithuanian lutynas “pool, puddle”). Sense of “contamination of the environment” first recorded c.1860, but not common until c.1955.
pollution pol·lu·tion (pə-lōō’shən)
The contamination of air, water, or soil by substances that are harmful to living organisms. Pollution can occur naturally, for example through volcanic eruptions, or as the result of human activities, such as the spilling of oil or disposal of industrial waste. ◇ Light from cities and towns at night that interferes with astronomical observations is known as light pollution. It can also disturb natural rhythms of growth in plants and other organisms. ◇ Continuous noise that is loud enough to be annoying or physically harmful is known as noise pollution. ◇ Heat from hot water that is discharged from a factory into a river or lake, where it can kill or endanger aquatic life, is known as thermal pollution.
[puh-loot] /pəˈlut/ verb (used with object), polluted, polluting. 1. to make foul or unclean, especially with harmful chemical or waste products; dirty: to pollute the air with smoke. 2. to make morally unclean; defile. 3. to render ceremonially impure; desecrate: to pollute a house of worship. 4. Informal. to render less effective or efficient: The […]
[pol-uh ks] /ˈpɒl əks/ noun 1. Greek Polydeuces. Classical Mythology. the brother of Castor. Compare . 2. Astronomy. a first-magnitude star in the constellation Gemini. /ˈpɒləks/ noun 1. the brightest star in the constellation Gemini, lying close to the star Castor. Visual magnitude: 1.15; spectral type: K0III; distance: 34 light years See also Castor 2. […]
[pol-ee] /ˈpɒl i/ noun, plural pollies. 1. a tame parrot. [pol-ee] /ˈpɒl i/ noun 1. a female given name, form of . 2. a common name for a parrot. /ˈpɒlɪ/ noun (pl) -lies 1. an informal word for politician fem. proper name, a rhyming collateral form of Molly, pet form of Mary.
[pohl] /poʊl/ noun 1. a representative of a political party or of an organization running a candidate who is assigned to the polls on an election day to watch for violations of the laws that regulate voting, campaigning, etc.