subaqueous

About 0.09 uses per million words.

Meaning

1. adjective Existing below the water surface.

   subaqueous deposits

2. adjective Designed for underwater use.

   a subaqueous helmet

3. adjective Weak and filtered.

   subaqueous light

Similar words

subaquatic submerged underwater aquatic submersed pyroclastic suboceanic subaquean superaqueous above-water

Often followed by

deposits delta and debris strata environment tunnels origin dunes mass