Meaning of saltation

sal•ta•tion

Pronunciation: (sal-tā'shun), [key]
— n.
  1. a dancing, hopping, or leaping movement.
  2. an abrupt movement or transition.
  3. intermittent, leaping movement of particles of sand or gravel, as from the force of wind or running water.
    1. a sudden discontinuity in a line of descent.
    2. a mutation.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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