travelling wave

English Thesaurus

1. a wave in which the medium moves in the direction of propagation of the wave (noun.event)

hypernym	:	undulation, wave,
definition	:	(physics) a movement up and down or back and forth (noun.event)

hyponym	:	solitary wave, soliton, soliton wave,
definition	:	(physics) a quantum of energy or quasiparticle that can be propagated as a traveling wave in nonlinear systems and is neither preceded nor followed by another such disturbance; does not obey the superposition principle and does not dissipate (noun.event)