from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. invertin
from the GNU version of the Collaborative International Dictionary of English
- n. Invertin.
from The Century Dictionary and Cyclopedia
- n. Same as invertin.
Sorry, no etymologies found.
It may very likely produce the same change in the membrane that is caused by the entrance of the spermatozoon under normal circumstances -- membrane formation may be necessarily coincident with the liberation in the egg of some zymose which arises from a pre-existent zymogen.