a vireo, Vireo solitarius, of North and Central America, having the top and sides of the head bluish-gray.
noun 1. any of numerous wasps, as the sand wasps or mud wasps, that do not live in a community.
noun, Mathematics, Physics. 1. a localized disturbance that propagates like a wave but resembles a particle in that it does not disperse, even if it collides with other such waves.
Mathematics, Physics. 1. a solution of a certain type of partial differential equation that represents a solitary wave. 2. (loosely) a solitary wave. noun 1. (physics) an isolated particle-like wave that is a solution of certain equations for propagation, occurring when two solitary waves do not change their form after collision and subsequently travelling for […]
noun 1. the state of being or living alone; seclusion: to enjoy one’s solitude. 2. remoteness from habitations, as of a place; absence of human activity: the solitude of the mountains. 3. a lonely, unfrequented place: a solitude in the mountains. noun 1. the state of being solitary or secluded 2. (poetic) a solitary place