| 单词 |
nepionic |
| 释义 |
nepionic, a. Zool.|niːpɪˈɒnɪk| [f. Gr. νήπῐος child + -onic as in embryonic.] Larval; in an early stage of development.
1889A. Hyatt in Smithsonian Contrib. Knowledge XXVI. ii. 9 The first larval or næpionic stage of a Nautiloid was, therefore, represented by the apex of the conch in that order. 1893― in Proc. Boston Soc. Nat. Hist. XXVI. 94 Larval or young: nepionic. Here first used as a substitute for ‘næpionic’. 1898A. S. Packard Text-bk. Ent. 706 As regards the organization of larval (nepionic) as compared with imaginal forms, the nymphs and larvæ of insects are, with the exception of many Diptera, nearly as perfectly developed as the adult. 1903Amer. Naturalist XXXVII. 517 The nepionic stage of shell growth begins with the second whorl. |

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