| 释义 |
ˌmetageˈnetic, a.
[f. meta- + genetic.]
1. Zool. Pertaining to, characterized by, or involving metagenesis.
1849Owen Parthenogenesis 17 The successive generations, which..complete the metagenetic cycle. 1877Balfour in Encycl. Brit. VII. 629/1 The peculiar metagenetic mode of development.
2. Cryst. Applied to certain twin crystals (see quot.).
1883Heddle in Encycl. Brit. XVI. 367/1 In metagenetic twins the crystal was at first simple, but afterwards, through some change in the material furnished for its increase or possibly induced in itself, it received new layers, or an extension in a reversed position.
Hence metageˈnetically adv., by metagenesis.
1868Darwin Anim. & Pl. II. 367 If, instead of a single individual, several were to be thus developed metagenetically within a pre-existing form. |