Hematosis \Hem`a*to"sis\, n. [NL., fr. Gr. a"ima`twsis.] (Physiol.) (a) Sanguification; the conversion of chyle into blood. (b) The arterialization of the blood in the lungs; the formation of blood in general; h[ae]matogenesis. [1913 Webster]
Arterialization \Ar*te`ri*al*i*za"tion\, n. (Physiol.) The process of converting venous blood into arterial blood during its passage through the lungs, oxygen being absorbed and carbonic acid evolved; -- called also {a["e]ration} and {hematosis}. [1913 Webster]