archibenthic

adjective
ar·​chi·​benthic
variants: or less commonly archibenthal \ ¦ärkē + ¦-​ \

Definition of archibenthic

: of, relating to, or being the upper part of the benthic region that includes the continental shelf and extends from the sublittoral to the abyssal

History and Etymology for archibenthic

archi- + benthic, benthal

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