verb
submerge
suhb-MURJ/səbˈmɜːrdʒ/
To put or go completely beneath a liquid or other covering.
The bowl is submerged beneath the water’s surface.

Etymology
The pieces describe plunging something beneath the surface, not merely getting it wet. The verb also developed an intransitive use for something itself sinking under water.
In context
connected core space within a rock is with a bike pump model to use these cores you'll connect a bike pump with the top of the core and then fully submerge it in water in a beaker
More examples
- The submarine submerges beneath the surface.
- Floodwater has submerged the lower steps.
- The swimmer pauses before submerging again.
Forms
submerge · submerges · submerged · submerging