department of energy intelligence: an agency that collects political and economic and technical information about energy matters and makes the Department of Energy's technical and analytical expertise available to other members of the Intelligence Community
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
elastic tissue: connective tissue consisting chiefly of elastic fibers found in the dermis of the skin and in the walls of veins and arteries and in some tendons and ligaments