(physics) The interaction of electron spins with heat currents within magnetic materials.

(biblical) Any one of the New Testament Epistles of James, 1 and 2 Peter, 1 John, Jude, and sometimes 2 and 3 John, which are not addressed to specific individuals or Churches.

(botany) any of the flowering plants of the genus Sida in the mallow family

Alternative form of manboy