[ dil-tahy-uh-zem ]
/ dɪlˈtaɪ əˌzɛm /
a white to whitish crystalline powder, C22H26N2O4S, used as a calcium blocker in the treatment of angina pectoris.
Origin of diltiazem
presumably from isolated and rearranged letters of the chemical name
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019