Acid Rain
Science / Biology / Acid Rain
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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 oxyge . . . View Full Definition
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.
Power Training: Weight training system that uses low repetitions and heavy weights.
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.
Quatrain: A four-line stanza, rhyming, abac or abcb (unbounded, or ballad), as in 'sir patrick spence' and samuel taylor coleridge's 'the ryme of the ancient mariner', aabb (a double couplet), abab (i . . . View Full Definition
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 . . . View Full Definition
Phosphoric Acid: The acid, H3PO4, widely used in industrial metal cleaning.
On-The-Job Training: Training provided to employees by managers and supervisors; conducted at the actual worksite utilizing demonstration and actual performance of job tasks to be accomplished.
Overtraining: Excess of exercise resulting in inadequete recovery.
Oxalic Acid: Are soluble white crystals used in some toners.
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Pinch Hitter: A hitter who substitutes in the line-up for a starting player. The original batter can’t return to the game, so the pinch hitter or a third person tak . . . Full Definition