saltations 1. The acts of leaping, jumping, or dancing. 2. Discontinuous movements, transitions, or developments; advancements by leaps. 3. In genetics, a single mutation that drastically alters the phenotype. A phenotype is the appearance of an individual, which results from the interaction of the person's genetic makeup and his or her environm... Found on http://www.wordinfo.info/words/index/info/view_unit/1883/3