DDI or ddI (dē'dē-ī') n. A nucleoside analogue antiviral drug that inhibits replication of retroviruses such as HIV by interfering with the enzyme reverse transcriptase. Also called didanosine.
Main Entry: di·dan·o·sine Pronunciation: dI-'dan-&-"sEn Function: noun : a synthetic nucleoside analogC10H12N4O3 that inhibits replication of retroviruses and is used in the treatment of advanced HIV infection called also ddI,dideoxyinosine—see VIDEX