also  hy*per*am*mon*i*emia  or chiefly Brit  hy*per*am*mo*nae*mia  also  hy*per*am*mon*i*ae*mia  n :  the presence of an excess of ammonia in the blood hy*per*am*mo*ne*mic or chiefly Brit  hy*per*am*mo*nae*mic  adj 
 
 
 
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