单词 | microatoll |
释义 | > as lemmasmicroatoll microatoll n. Brit. /ˌmʌɪkrəʊˈatɒl/ , /ˌmʌɪkrəʊəˈtɒl/ , U.S. /ˌmaɪkroʊˈæˌtɔl/ , /ˌmaɪkroʊˈæˌtɑl/ , /ˌmaɪkroʊˈeɪˌtɔl/ , /ˌmaɪkroʊˈeɪˌtɑl/ a circular growth of coral a few metres in diameter and with a central depression, such as is found in intertidal areas in warm seas and on the flats inside a coral reef.ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > member of > circular growth of microatoll1933 1933 P. H. Kuenen in Snellius-Expedition Netherlands E. Indies V. ii. iii. 64 Conditions unfavourable to coral growth above low tide level certainly favour the formation of the micro-atolls. 1991 R. Goldring Fossils in Field ii. 31 (caption) Microatolls formed by the coral Porites in shallow water at Heron Island, Queensland, Australia. < as lemmas |
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