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 considerable distances
Word origin
C20: from solit(ary) + -on
soliton in American English
(ˈsɑlˌɪ tɑn)
noun
Physics
a solitary wavelike disturbance that maintains its shape and velocity despite collisions with other such disturbances