Elevated levels of orotidine in the urine; has been observed in defects in and inhibition of orotidylic acid decarboxylase. ... (05 Mar 2000) ... 
Type: Term Pronunciation: ō-rot′i-di-nyu′rē-ă Definitions: 1. Elevated levels of orotidine in the urine; has been observed in defects in and inhibition of orotidylic acid decarboxylase.