单词 | bloom |
释义 | bloom [blüm] BOTANY 1. An individual flower. Also known as blossom. 2. To yield blossoms. 3. The waxy coating that appears as a powder on certain fruits, such as plums, and leaves, such as cabbage. ECOLOGY A colored area on the surface of bodies of water caused by heavy planktonic growth. ENGINEERING 1. Fluorescence in lubricating oils or a cloudy surface on varnished or enameled surfaces. 2. To apply an antireflection coating to glass. GEOLOGY See <<blossom>> GRAPHIC ARTS A milky or foggy defect that may appear on the surface of a varnished painting; caused by moisture. MATERIALS Crystals formed on the surface of treated wood by exudation and evaporation of the solvent in preservative solutions. METALLURGY 1. A semifinished bar of metal formed from an ingot and having a rectangular cross section exceeding 36 square inches (232 square centimeters). 2. To hammer or roll metal in order to make its surface bright. 3. See <<slag>> MINERALOGY See <<efflorescence>> OPTICS Color of oil in reflected light, differing from its color in transmitted light. Also known as fluorescence. |
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