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computer language a system of words and symbols that is used to program a computer; code. There are hundreds of computer languages, such as C, Cheetah, and JavaScript.
computer science the science and study of computers, including how they are made and how they work.
computer virus a code added to a computer program that can attach itself to and seriously damage other programs.
comrade a close friend who shares one's main interests.
con- a prefix that means "with" or "together."
concave curved inward like the inside of a bowl. (Cf. convex.)
conceal to hide or keep hidden from sight.
concede to admit the truth or justice of. [2 definitions]
conceited having too high an opinion of oneself; vain.
conceive to give shape to in the mind. [4 definitions]
concentrate to bring together; focus. [5 definitions]
concentration the act or process of concentrating, or the state of being concentrated. [2 definitions]
concept a general idea or thought.
conception the forming of concepts or ideas, or the power to do so. [2 definitions]
concern to have to do with; be about; affect. [4 definitions]
concerned involved or interested. [2 definitions]
concerning having to do with; about; in regard to.
concert a musical or dance performance before an audience; recital.
concerto a piece of music for one or more solo instruments and an orchestra.
concession an act or instance of yielding or conceding. [4 definitions]
conch a sea animal with a soft body and a large, spiral shell. Conches are carnivorous mollusks that eat smaller mollusks such as clams. Several kinds of conches live in warm parts of the ocean all around the world. Conches are closely related to snails. [2 definitions]