Acid Rain

Science / Biology / Acid Rain: The precipitation of sulfuric acid and other acids as rain. The acids form when sulfur dioxide and nitrogen oxides released during the combustion of fossil fuels combine with water and oxygen in the atmosphere.

Other Words for Rain

Rain Noun Synonyms: precipitation, drizzle, sprinkle, downpour, shower, thunder-shower, cloudburst, rainstorm, squall, deluge, sunshower
Rain Verb Synonyms: rainfall, precipitation
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Power Training

Health / Fitness / Power Training: Weight training system that uses low repetitions and heavy weights. MORE

Quality Training

Health / Fitness / Quality Training: Training just before bodybuilding competition where intervals between sets are drastically reduced to enhance muscle mass and density, and low calorie diet is followed to reduce body fat. MORE

Quatrain

Entertainment / Literature / Quatrain: Also sometimes used interchangeably with 'stave,' a quatrain is a stanza of four lines, often rhyming in an ABAB pattern. Three quatrains form the main body of a Shakespearean or English sonnet along MORE

Radial Drainage

Science / Geology / Radial Drainage: A system of streams running in a radial pattern away from the center of a circular elevation, such as a volcano or dome. MORE

Pollen Grains

Science / Biology / Pollen Grains: The containers for male gametophytes of seed plants produced in a microsporangium by meiosis. Microspores produced by seed plants that contain the male gametophyte. MORE

Placidean Houses

Science / Astrology / Placidean Houses: The house system devised by the Spanish monk, Placidus de Tito (seventeenth century). Placidus' system, still widely used today, is based on the trisection of nocturnal and diurnal semi-arcs. The time MORE

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