dicumarol
noun
di·cu·ma·rol dī-ˈk(y)ü-mə-ˌrȯl 
-ˌrōl
variants or less commonly dicoumarol
: an anticoagulant C19H12O6 originally obtained from spoiled sweet clover hay that acts similarly to warfarin and is used especially in preventing and treating thromboembolic disease
Example Sentences
Recent Examples on the Web From the rancid hay, UW biochemist Karl Paul Link was able to isolate a chemical anticoagulant known as dicumarol. 
John Fauber And Coulter Jones, Milwaukee Journal Sentinel, 23 Aug. 2021
John Fauber And Coulter Jones, Milwaukee Journal Sentinel, 23 Aug. 2021 Word History
Etymology
di- + coumar(in) + -ol entry 1
First Known Use
1942, in the meaning defined above
Medical Definition
dicumarol
noun
di·cu·ma·rol
variants or dicoumarol
dī-ˈk(y)ü-mə-ˌrȯl -ˌrōl
also dicoumarin -ˌrōl (ˈ)dī-ˈkü-mə-rən
: an anticoagulant C19H12O6 that acts similarly to warfarin and is used especially in preventing and treating thromboembolic disease see sweet clover disease
Dicumarol is a potent drug that prevents blood from coagulating to form clots. Ronald Kotulak, The Chicago Tribune
Ronald Kotulak, The Chicago Tribunecalled also bishydroxycoumarin
Note: Dicumarol was originally isolated from spoiled sweet clover hay.