English linguist who contributed to linguistic semantics and to prosodic phonology and who was noted for his insistence on studying both sound and meaning in context (1890-1960)
the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
used of idealized country life; "a country life of arcadian contentment"; "a pleasant bucolic scene"; "charming in its pastoral setting"; "rustic tranquility"