Hadron

//ˈhæd.ɹɒn// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A composite particle that comprises two or more quarks held together by the strong force and (consequently) can interact with other particles via said force; a meson or a baryon. particle

    "The weak decays of b hadrons are dominated by the spectator model process whereby the b quark decays to a c quark (or occasionally a u quark) with the emission of an external W, while the non-b antiquark or diquark acts simply as a passive spectator to the decay."

  2. 2
    any elementary particle that interacts strongly with other particles wordnet

Example

More examples

"Results from the Large Hadron Collider mean that supersymmetry theorists may have to come up with a new theory of sub-atomic physics."

Etymology

From Ancient Greek ἁδρός (hadrós, “thick”) + -on. Coined by Russian physicist Lev Okun in 1962 in a plenary talk at the International Conference on High Energy Physics.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.