Medical Definition of peltatin
: either of two lactones that occur as glycosides in the rootstock of the mayapple (Podophyllum peltatum) and have some antineoplastic activity:a or α–peltatin \ˈal-fə-\play : one C21H20O8 containing two hydroxyl groupsb or β–peltatin \ˈbāt-ə-, chiefly British ˈbēt-ə-\play : one C22H22O8 containing only one hydroxyl group with the other replaced by a methoxyl group
Seen and Heard
What made you want to look up peltatin? Please tell us where you read or heard it (including the quote, if possible).