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(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.

Ceres, in astronomy

(Encyclopedia)Ceres sîrˈēz [key], in astronomy, a dwarf planet, the first asteroid to be discovered. It was found on Jan. 1, 1801, by G. Piazzi. He took three distinct observations; on the basis of these the mat...

Callisto, in astronomy

(Encyclopedia)Callisto kəlĭsˈtō [key], in astronomy, one of the 39 known moons, or natural satellites, of Jupiter. ...

CAM, in computing

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

agave, in botany

(Encyclopedia)agave: see amaryllis.

buffalo, in zoology

(Encyclopedia)buffalo, name commonly applied to the American bison but correctly restricted to certain related African and Asian mammals of the cattle family. The water buffalo, or Indian buffalo, Bubalus bubalis, ...

bug, in zoology

(Encyclopedia)bug, common name correctly applied to insects belonging to the order Hemiptera, although members of the order Homoptera (e.g., mealybug) are sometimes referred to as bugs, as are other insects in gene...

bull, in zoology

(Encyclopedia)bull: see cattle.