submerge

submerge

CEFR: C1-C2 /sub-merge/ [s.ah0.b.m.er1.jh]

If something submerges, it goes below the surface of some water or another liquid. For example:

Example Sentences:
The intertidal zone in marine aquatic environments is the area of the foreshore and seabed that is exposed to the air at low tide and submerged at high tide.
A convergent plate boundary is where one of the tectonic plates submerge under the other.​
Hippos are unable to submerge in the few remaining water holes.