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diltiazem

[dil-tahy-uh-zem]
noun Pharmacology.
  1. a white to whitish crystalline powder, C22H26N2O4S, used as a calcium blocker in the treatment of angina pectoris.
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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. 2018