Definition of emersion in English:

emersion

noun

mass noun
  • 1The process of emerging from water after being submerged.

    ‘some coral species can survive emersion for up to three hours’
    • ‘Organisms that live higher on the shore experience larger daily and seasonal fluctuations in microhabitat conditions, due to their greater exposure to terrestrial conditions during emersion.’
    • ‘Presumably, the increased chaperone need is induced by exaggerated gill protein denaturation in response to elevated body temperatures during emersion.’
    • ‘The restructuring of the membrane bilayer, which may occur during the tidal cycle, if body temperature fluctuates widely during emersion and immersion, represents a second energetic cost to intertidal species.’
    • ‘Webster discussed the physiological significance of this mechanism of endocrine metabolic adaptation for C. pagurus, which may be repeatedly subjected to short-term emersion and hypoxia in the intertidal zone.’
    • ‘In fact, as discussed later, metabolic processes may be especially active during periods of immersion, when access to oxygen and food is greater than under conditions of emersion.’
  • 2Astronomy
    The reappearance of a celestial body after its eclipse or occultation.

    • ‘The spectacular reappearance of the planet - emersion - should be plainly visible to the unaided eye.’
    • ‘Such terminology may also be used for eclipses and occultations, along with their synonyms immersion and emersion.’
    • ‘So at 3.45pm BST, we decided to pack up and go to our respective homes in order to observe the emersion of Venus if we could.’

Origin

Mid 17th century from late Latin emersio(n-), from Latin emergere (see emerge).

Pronunciation

emersion

/ɪˈməːʃ(ə)n/ /iːˈməːʃ(ə)n/