To be isolated and cut off from help; high and dry.

a self-reinforcing solitary wave that maintains its shape while traveling at constant speed, used in physics and mathematics

A type of language where grammar is expressed through word order and functional words rather than by changing the form of words; Chinese is a primary example.

a policy of avoiding political or military involvement with other countries; isolationism

(physics, mathematics) a self-reinforcing solitary wave packet that maintains its shape while it propagates at a constant velocity