air-cooled

from WordNet (r) 3.0 (2006)

air-cooled
    adj 1: cooled by a flow of air; "an air-cooled engine"

from The Collaborative International Dictionary of English v.0.48

Air cooling \Air cooling\
   In devices generating heat, such as gasoline-engine motor
   vehicles, the cooling of the device by increasing its
   radiating surface by means of ribs or radiators, and placing
   it so that it is exposed to a current of air. Cf. {Water
   cooling}. -- {Air"-cooled`}, a.
   [Webster 1913 Suppl. +PJC]