plural of extractor hood

A signal (stimulus) that originates from outside an organism.

Alternative spelling of externalize

(computing) A file extension.

(slang, military) The extraction of military forces by longer-range vehicles (helicopter, boat, armoured personnel carrier) whilst under fire from enemy forces.

plural of external ear

plural of external risk

(baseball) A double, triple, or home run.

(baseball, usually in the plural) An additional inning of play required to break a tie.

(law) Over and above that covered by statute