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skeleton, in anatomy
(Encyclopedia) CE5 Human skeleton skeleton, in anatomy, the stiff supportive framework of the body. The two basic types of skeleton found among animals are the exoskeleton and the endoskeleton. The shell of the ...siren, in zoology
(Encyclopedia)siren: see salamander.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 ...pulse, in anatomy
(Encyclopedia)pulse, alternate expansion and contraction of artery walls as heart action varies blood volume within the arteries. Artery walls are elastic. Hence they become distended by increased blood volume duri...pulse, in botany
(Encyclopedia) CE5 Sweet pea, Lathyrus odoratus, a member of the pulse family pulse, in botany, common name for members of the Fabaceae (Leguminosae), a large plant family, called also the pea, or legume, family...pyramid, in geometry
(Encyclopedia) CE5 Pyramid pyramid, in geometry, solid figure bounded by a polygon (the base, or directrix) and the surface generated by a moving line (the generator) passing through a fixed point (vertex) and c...python, in zoology
(Encyclopedia)python pīˈthŏn [key], name for nonvenomous constrictor snakes of the boa family, found in the tropical regions of Africa, Asia, Australia, and the S Pacific islands. Pythons climb and swim expertly...quadrant, in technology
(Encyclopedia)quadrant, in technology, angle-measuring device based on a scale of 90°. It is sometimes confused with the sextant, a similar instrument based on a scale of 60°. The quadrant is rarely used today. ...Queenborough-in-Sheppey
(Encyclopedia)Queenborough-in-Sheppey, town (1991 pop. 33,362), on the Isle of Sheppey, Kent, SE England, at the confluence of the Medway and Thames rivers. Radios, furniture, glass, rubber products, and clothing a...Browse by Subject
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