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governor, in government

(Encyclopedia)governor, chief executive of a dependent or component unit in a political system. In the United States, a governor is the chief executive of each state and is elected by the people of the state. In th...

rocket, in aeronautics

(Encyclopedia)CE5 Relative positions of the components of the Saturn V rocket, the U.S. space vehicle used in the moon missions rocket, any vehicle propelled by ejection of the gases produced by combustion of s...

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, ...

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...

crow, in zoology

(Encyclopedia)crow, partially migratory black bird, genus Corvus, of the same family as the raven, the magpie, the jay, and the rook and the jackdaw of Europe. The American, or common, crow, C. brachyrhynchos, abou...

ring, in astronomy

(Encyclopedia)ring, in astronomy, relatively thin band of rocks and dust and ice particles that orbit around a planet in the planet's equatorial plane. All four of the giant planets in the solar system—Jupiter, S...

atlas, in geography

(Encyclopedia)atlas, in geography, collection of maps or charts. It usually includes data on various features of a country, e.g., its topography, natural resources, climate, and population, as well as its agricultu...

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...

nail, in anatomy

(Encyclopedia)nail, in anatomy, the horny outgrowth shielding the tip of the finger and the toe in humans and most other primates. The nail consists of dead cells pushed outward by dividing cells in the root, a fol...

cancer, in medicine

(Encyclopedia)cancer, in medicine, common term for neoplasms, or tumors, that are malignant. Like benign tumors, malignant tumors do not respond to body mechanisms that limit cell growth. Unlike benign tumors, mali...