the emergence of an insect from its egg or from the pupal case
Origin of eclosionFrench éclosion ; from éclore, to hatch, be hatched ; from Old French esclore ; from Vulgar Latin an unverified form exclaudere, to hatch out, altered (as if ; from Classical Latin ex- + claudere, to close) ; from Classical Latin excludere to hatch, drive out, exclude
The emergence of an adult insect from a pupal case or an insect larva from an egg.
Origin of eclosionFrench éclosion, from éclore, to open, from Old French, from Vulgar Latin *exclaudere, to shut out : Latin ex-, ex- + Latin claudere, to shut.
a queen butterfly, Danaus glippus, emerging from its chrysalis