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precipitation, in meteorology

(Encyclopedia)precipitation, in meteorology, condensed moisture that falls to the surface of the earth in the form of rain, sleet, snow, hail, frost, or dew. ...

phase, in physics

(Encyclopedia)phase, in physics: see wave.

phoebe, in zoology

(Encyclopedia)phoebe, in zoology: see flycatcher. ...

(Encyclopedia)phoenix, fabulous bird that periodically regenerated itself, used in literature as a symbol of death and resurrection. According to legend, the phoenix lived in Arabia; when it reached the end of its ...

poplar, in botany

(Encyclopedia)poplar: see willow.

porcupine, in zoology

(Encyclopedia)porcupine, member of either of two rodent families, characterized by having some of its hairs modified as bristles, spines, or quills. The quills are loosely attached to the porcupines' skin and pull ...

cell, in electricity

(Encyclopedia)cell: see battery, electric.

calliope, in music

(Encyclopedia)calliope, in music, an instrument also called steam organ or steam piano in which steam is forced through a series of whistles controlled by a keyboard. It is usually played mechanically, and its shri...

calypso, in music

(Encyclopedia)calypso, a form of folk song developed on the island of Trinidad and also popular in other Caribbean countries. Thought to have begun with 19th-century black slaves, calypso songs developed and contin...

CAM, in computing

(Encyclopedia)CAM: see computer-aided manufacturing. ...