¦ ̷ ̷ ̷ ̷ ¦wən¦ ̷ ̷ (ˌ) ̷ ̷ ˌ noun
Etymology: alpha (II) + anti- (I) + trypsin
: a trypsin-inhibiting serum protein which inhibits the digestive action of elastase on the tissues of the lungs and whose deficiency is associated with the development of emphysema