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. 2019
Examples from the Web for eclosion
Historical Examples of 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
Word Origin for eclosion
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