Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of a class of subatomic particles that are composed of quarks and take part in the strong interaction. See Table at subatomic particle.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A strongly interacting particle such as a proton. A particle which is affected by the strong nuclear force. A hadron is composed of quarks.

from the GNU version of the Collaborative International Dictionary of English

  • n. any elementary particle that interacts strongly with other particles.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any elementary particle that interacts strongly with other particles

Etymologies

Greek hadros, thick; see sā- in Indo-European roots + -on1.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek ἁδρός (hadros, "thick"). (Wiktionary)

Examples

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