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“bioturbation”
The mixing of a soil or sediment by the digging, feeding, or other activities of living organisms: Bioturbation can be exemplified by worms and burrowing clams in the bottom of a lake or in a seabed.
This entry is located in the following units:
-ation, -ization (-iz[e] + -ation); -isation (British spelling variation)
(page 13)
bio-, bi-, -bia, -bial, -bian, -bion, -biont, -bius, -biosis, -bium, -biotic, -biotical
(page 34)
turb-, turbin-, turbo-, turbu-
(page 1)