emersion
/ɪˈmɜːʃən/noun
mass noun
1- the process or state of emerging from or being out of water after being submerged（被淹没后）露出水面。
1.1
- Astronomy the reappearance of a celestial body after its eclipse or occultation【天文】复现。
词源
mid 17th cent.: from late Latin emersio（n-）, from Latin emergere （see EMERGE）.