pentomic

pentomic [pen-tom-ik] Word Origin adjective Military.

1. pertaining to or characterizing the organization of an army division into five groups, each with supporting units, geared to maneuver in keeping with the requirements of atomic warfare.

Origin of pentomic 1955–60; pent- + (at)omic British Dictionary definitions for pentomic pentomic adjective

1. denoting or relating to the subdivision of an army division into five battle groups, esp for nuclear warfare

Word Origin for pentomic C20: from penta- + atomic