- 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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012