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phentolamine

[fen-tol-uh-meen, -min]
noun Pharmacology.
  1. an alpha blocker, C17H19N3O, used to reduce hypertensive states caused by a catecholamine excess, as in the treatment of pheochromocytoma.
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Origin of phentolamine

1950–55; phen- + tol(uidine) + -amine; see tolu
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018