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- Apx iii
apx iii language An early system on the Datatron 200 series. [Listed in CACM 2(5):16 (May 1959)]. (1995-05-04)
. appendix approximate approximately
apy annual percentage yield
a relatively nonspecific ATPase occurring in plants and molds. apyrase ap·y·rase (āp’ə-rās’, -rāz’) n. Any of various enzymes that catalyze the hydrolysis of ATP, causing the release of phosphate and energy.