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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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