1. English chemist who studied the quantities of gas absorbed by water at different temperatures and under different pressures (1775-1836) • Syn: William Henry • Instance Hypernyms: chemist 2. a leader of the American Revolution and a famous orator who spoke out against British rule of the American colonies (1736-1799) • Syn: Patrick Henry • Instance Hypernyms: American Revolutionary leader, orator, speechmaker, rhetorician, public speaker, speechifier 3. United States physicist who studied electromagnetic phenomena (1791-1878) • Syn: Joseph Henry • Instance Hypernyms: physicist