[1] : The Collaborative International Dictionary of English v.0.48

subaquatic \sub`aquat"ic\, subaqueous \suba"queous\, a.
   1. being under water, or beneath the surface of water;
      adapted for use under water; submarine; as, a subaqueous
      helmet.
      1913 webster

   2. geol. formed in or under water; as, subaqueous deposits.
      1913 webster subarachnoid

[2] : WordNet (r) 2.0

subaquatic
     adj 1: growing or remaining under water; "viewing subaqueous fauna
            from a glass-bottomed boat"; "submerged leaves" syn:
            subaqueous, submerged, submersed, underwater
     2: partially aquatic; living or growing partly on land and
        partly in water; "a marginal subaquatic flora" syn: semiaquatic
see also:
subaqueous submerged submersed underwater semiaquatic 

Subaquatic >> S Words
Subaquatic, definition of term: Subaquatic
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