cromolyn sodium

cro·mo·lyn sodium

noun \ˌkrō-mə-lən-\

Definition of CROMOLYN SODIUM

: a drug C₂₃H₁₄Na₂O₁₁ that inhibits the release of histamine from mast cells and is used usually as an inhalant to prevent the onset of bronchial asthma attacks—called also cromolyn, disodium cromoglycate, sodium cromoglycate; see intal