›[I or T]to go below or make something go below the surface of the sea or a river or lake: The submarine submerged when enemy planes were sighted.She was taken to hospital after being submerged in an icy river for 45 minutes.Staying afloat, capsizing and sinking›[T]literaryto cover or hide something completely: She has submerged her identity in the role of photographer's wife and muse.Hiding and disguisingsubmersion
/-ˈmɜː.ʃən//-ˈmɝː.ʒən/noun[U]›The fruit was preserved by submersion in alcohol.Enclosing, surrounding and immersing