A small pit or depression; spec. the smooth area around the tubercles of a sea-urchin.
| 单词 | θ33450 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > member of (sea-urchin) > parts of > area around tubercle (1) scrobicule1900 A small pit or depression; spec. the smooth area around the tubercles of a sea-urchin. |
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