(organic chemistry) Any of a group of triterpenoid lactones present in the vine Tripterygium wilfordii

(organic chemistry) The tetranortriterpenoid ((1S,2aR,3aR,3bR,9aR,9bR,11aS)-1-(furan-3-yl)-5-hydroxy-3b,6,6,9a,11a-pentamethyl-2,2a,6,9a,9b,10,11,11a-octahydronaphtho[1',2':6,7]indeno[1,7a-b]oxiren...

An aircraft made to a smaller scale, either as a static (non-flying) model, or built to fly with the aid of an engine or electric motor, and controlled by radio from the ground.

(Singapore, informal, impolite) A reference to oneself in the third person, taking on the stance of a superior.