quantum leap(n = noun.event) quantum jump - a sudden large increase or advance; "this may not insure success but it will represent a quantum leap from last summer"
is a kind of jump, leap

N  revolution, bouleversement, subversion, break up, destruction, sudden change, radical change, sweeping organic change, change of state, phase change, quantum leap, quantum jump, clean sweep, coup d'etat, counter revolution, jump, leap, plunge, jerk, start, transilience, explosion, spasm, convulsion, throe, revulsion, storm, earthquake, cataclysm, legerdemain, unrecognizable, revolutionary.

leap, leap day, leap out, leap second, leap year, quantum, quantum chromodynamics, quantum electrodynamics, quantum field theory, quantum jump, quantum mechanics, quantum physics, quantum theory