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composite particle

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A subatomic particle that is composed of two or more elementary particles. The protons and neutrons in the nucleus of an atom are composite particles, as they are composed of quarks; electrons orbiting the nucleus are not composite particles. See also elementary particle subatomic particle.
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ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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