- ranunculusAny plant of the genus Ranunculus; the buttercup or crowfoot.
- ranunculinAn unstable glucoside found in plants of the buttercup family (Ranunculaceae). On maceration, it is enzymatically broken down into glucose and the toxin protoanemonin.
- ranunculiteA monoclinic mineral containing aluminum, hydrogen, oxygen, phosphorus, and uranium.