[医] 海底的, 海底生物的

[ adj ]
of or relating to or happening on the bottom under a body of water
<adj.pert>

Benthic \Ben"thic\ (b[e^]n"th[i^]k), a. [fr. Gr. be`nqos depth
of the sea.]
of, pertaining to, or occurring at the bottom of a body of
water, especially referring to the ocean depths.
[PJC] ||