narceine
/ˈnɑːsɪɪn/Chemistry
noun
A narcotic tricyclic crystalline alkaloid, C23H27NO8, obtained from opium or narcotine and formerly used as a painkiller.
Origin
Mid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From French narcéine from ancient Greek νάρκη numbness + French -ine.
- negatival
- negative
- negative ad
- negative advertisement
- negative advertising
- negative after-image
- negative booster
- negative buoyancy
- negative buoyant
- negative capability
- negative catalysis
- negative catalyst
- negative confession
- negative crystal
- negative definite
- negative energy
- negative equity
- negative eugenics
- negative evidence
- negative eyepiece
- negative feedback
- negative flag
- negative g
- negative gearing
- negative geotropism