Dictionary

saltation

noun sal·ta·tion \sal-ˈtā-shən, sl-\

Definition of SALTATION

1
a :  the action or process of leaping or jumping
b :  dance
2
a :  the origin of a new species or a higher taxon in essentially a single evolutionary step that in some especially former theories is held to be due to a major mutation or to unknown causes — compare darwinism, neo-darwinism, punctuated equilibrium
b :  mutation —used especially of bacteria and fungi

Origin of SALTATION

Latin saltation-, saltatio, from saltare to leap, dance, frequentative of salire to leap — more at sally
First Known Use: 1646

saltation

noun sal·ta·tion \sal-ˈtā-shən, sl-\   (Medical Dictionary)

Medical Definition of SALTATION

1
:  the origin of a new species or a higher taxon in essentially a single evolutionary step that in some especially former theories is held to be due to macromutation
2
:  mutation—used especially of bacteria and fungi

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