Kolk vs Kilk - What's the difference?
kolk | kilk |
(geology) an underwater vortex similar to a whirlwind. Capable of dislodging, picking up, and moving boulders.
* A whirlpool or tornado effect that forms in deep, fast moving water. Kolks can pick up solid blocks of basalt in flood areas. [http://www.kidscosmos.org/kid-stuff/mars-trip-glossary-hn.html]
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