microatoll

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English[edit]

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Etymology[edit]

micro- +‎ atoll, because the colonies superficially resemble atolls, but are much smaller.

Noun[edit]

microatoll (plural microatolls)

  1. A colony of coral, usually 1-3 metres in diameter that is dead on the top as a result of exposure at low tide.

Anagrams[edit]