Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ada
1 sense of ada
Sense 1
adenosine deaminase, ADA -- (an enzyme found in mammals that can catalyze the deamination of adenosine into inosine and ammonia; "ADA deficiency can lead to one form of severe combined immunodeficiency disease"; "the gene encoding ADA was one of the earlier human genes to be isolated and cloned for study")
=> enzyme -- (any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions)