type of rocket engine, 1962, agent noun; see thrust (n.).
Entries linking to thruster
thrust n.
1510s, "act of pressing," from thrust (v.). Meaning "act of thrusting" (in the modern sense) is from 1580s. Meaning "propulsive force" is from 1708. Figurative sense of "principal theme, aim, point, purpose" is recorded from 1968.