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Comprehensive
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cosmic noise interference from radio waves beyond the earth; galactic noise.
cosmic ray high energy radiation, consisting primarily of high-energy protons and alpha particles, that primarily originates from outside the solar system. Upon collision with earth's atmosphere, secondary particles can be produced that sometimes reach the earth's surface.
cosmic rays streams of high-energy charged atomic nuclei or other particles that enter the earth's atmosphere from outer space.
cosmo- world; universe.
cosmochemistry the science concerned with the distribution of chemical substances in the universe.
cosmogony the study or a theory of the beginnings, structure, and evolution of the universe.
cosmography the science, or a particular description, of the physical arrangement of the universe and the earth.
cosmology the branch of philosophy concerned with the nature, origin, and development of the universe. [2 definitions]
cosmonaut a space traveler or astronaut, esp. one from Russia.
cosmopolitan of, drawn from, or common to all the world or all the peoples of the world. [3 definitions]
cosmopolite a cosmopolitan.
cosmos the totality of material existence, esp. considered as a unified, orderly whole; universe. [4 definitions]
cosplay the activity of wearing clothes, makeup, and accessories associated with a particular character in a movie, comic book, or the like. In addition, cosplay involves roleplay along with others who are engaging in cosplay. Cosplay developed in Japan and is practiced by fans of Japanese anime both in Japan and in other countries.
cosponsor one who jointly sponsors an event, legislation, presentation, or the like. [2 definitions]
cosponsorship combined form of sponsorship.
Cossack a member of any of various tribes of southwestern Russia, many of whom were renowned horsemen in the czars' armies.
cosset to treat indulgently or as a pet; pamper. [2 definitions]
cost the amount charged or given in payment for services or goods; price. [6 definitions]
cost accounting an accounting system in which all costs of production and distribution are itemized and allocated, as to various products.
costal of or relating to the ribs or the rib area.
costar one of two or more lead performers in the same presentation. [3 definitions]