Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
colony ofcoral , usually 1-3 metres in diameter that is dead on the top as a result ofexposure at lowtide .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
From micro- + atoll, because the colonies superficially resemble atolls, but are much smaller.
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