sal·ta·tion (săl-tāshən, sôl-)
1. The act of leaping, jumping, or dancing.
2. Discontinuous movement, transition, or development; advancement by leaps.
3. Genetics A single mutation that drastically alters the phenotype.
[Latin saltātiō, saltātiōn, from saltātus, past participle of saltāre, to leap, frequentative of salīre, to jump; see SALIENT.]
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