saltation

noun

1. (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface
2. (genetics) a mutation that drastically changes the phenotype of an organism or species
3. an abrupt transition"a successful leap from college to the major leagues"
4. taking a series of rhythmical steps (and movements) in time to music
5. a light, self-propelled movement upwards or forwards