peppermint oil, a volatile oil from fresh aboveground parts of the flowering plant of peppermint (Mentha piperita), used as a flavoring agent for drugs and as a gastric stimulant and carminative.
peppermint oil, a volatile oil from fresh aboveground parts of the flowering plant of peppermint (Mentha piperita), used as a flavoring agent for drugs and as a gastric stimulant and carminative.