a light, self-propelled movement upwards or forwards | (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum |
taking a series of rhythmical steps (and movements) in time to music | a sudden large increase or advance |
(genetics) a mutation that drastically changes the phenotype of an organism or species | |
an abrupt transition | |
(geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface | |