microatoll

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noun

A colony of coral, usually one to three metres in diameter that is dead on the top as a result of exposure at low tide.

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Meanings

nounmicroatoll (plural microatolls)

plural microatolls

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

Origin

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

Full word history & related roots →

Rhymes & wordplay

Anagrams

collimator
Cite this entry
APA

microatoll. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/microatoll

MLA

“microatoll.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/microatoll. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “microatoll,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/microatoll.

Source: microatoll on Wiktionary, CC BY-SA 4.0.