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