Definition of eclosion in US English:

eclosion

noun

Entomology
  • See eclose

    • ‘All of these results show that the pupal male was almost always killed by the already eclosed male immediately after, or even before, eclosion.’
    • ‘Beetles with tolerant larvae also have higher numbers of eggs on eclosion and reduced longevity compared to strains and species with contest competition.’
    • ‘Aggression towards non-nest mates is provoked almost exclusively by chemical cues that are learned shortly after eclosion from the pupal life stage.’
    • ‘In addition, developmental times to pupation and adult eclosion, pupal weights, and survival/mortality were measured for all insects.’
    • ‘Discrete age estimates were used in conjunction with date of capture to estimate an approximate date of eclosion for each marked male.’

Pronunciation

eclosion

/iˈklōZH(ə)n//ɪˈkloʊʒ(ə)n/