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gluon

(Encyclopedia) gluon, an elementary particle that mediates, or carries, the strong, or nuclear, force. In quantum chromodynamics (QCD), the quantum field theory of strong interactions, the…

juvenile delinquency

(Encyclopedia) juvenile delinquency, legal term for behavior of children and adolescents that in adults would be judged criminal under law. In the United States, definitions and age limits of…

Regulator movement

(Encyclopedia) Regulator movement, designation for two groups, one in South Carolina, the other in North Carolina, that tried to effect governmental changes in the 1760s. In South Carolina, the…

Fort Sumter

(Encyclopedia) Fort Sumter, fortification, built 1829–60, on a shoal at the entrance to the harbor of Charleston, S.C., and named for Gen. Thomas Sumter; scene of the opening engagement of the Civil…

Tyler, Wat

(Encyclopedia) Tyler, Wat, d. 1381, English rebel. His given name appears in full as Walter; his surname signifies the trade of a roof tiler. He came into prominence as the leader of the rebellion of…