from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Having one brood or generation in a year.
from The Century Dictionary and Cyclopedia
- Having but one generation annually: said of the ordinary races of the domestic silkworm to distinguish them from those races having two or more generations.
Sorry, no etymologies found.
Phratora vulgatissima has one generation per year (univoltine) in Sweden.