(chiefly Australia) Any of several Australian eucalyptus trees with a dark fibrous bark towards the base of the trunk, especially Eucalyptus pilularis.

(mineralogy) A tetragonal-ditetragonal dipyramidal mineral containing barium, calcium, chlorine, fluorine, hydrogen, manganese, oxygen, silicon, and titanium.

(chemistry) Any polymer whose monomers are imides; used to make high-temperature resins

In a fruitless manner