| coscript |
combined form of script. |
| cosecant |
in trigonometry, the secant of the complement or the reciprocal of the sine of a given angle or arc. |
| cosign |
to sign together with another or others. [2 definitions] |
| cosignatory |
affixing one's signature on a document together with one or more other persons. [2 definitions] |
| cosine |
in trigonometry, the ratio between the length of the side next to one of the acute angles in a right triangle and the length of the hypotenuse. |
| cosmetic |
any preparation, such as lipstick or nail polish, made to be applied externally to the body to increase attractiveness. [4 definitions] |
| cosmetology |
the study of cosmetics or the profession of applying them. |
| cosmic |
of or relating to the universe or cosmos. [3 definitions] |
| cosmic dust |
very fine particles of matter found in interplanetary space. |
| 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] |