/vear'euh pam"euhl, ver'-/ , n. Pharm.
a white crystalline powder, C 27 H 38 N 2 O 4 , used as a calcium blocker in the treatment of angina and certain arrhythmias.
[ 1965-70; perh. by rearrangement of letters from valeronitrile and aminopropyl, two of its chemical components ]