- the emergence of an adult insect from its pupal case.
- the hatching of a larva from its egg.
Origin of eclosion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for eclosion
The chrysalids under the sod, their eclosion time completed, were coming into their own—bringing perfection with them.Pet Farm
- the emergence of an insect larva from the egg or an adult from the pupal case
C19: from French éclosion, from éclore to hatch, ultimately from Latin exclūdere to shut out, exclude