定性

定性	dìng xìng	to determine the nature (of sth) / to determine the chemical composition (of a substance) / qualitative
定	dìng	to fix; to set; to make definite / to subscribe to (a newspaper etc); to book (tickets etc); to order (goods etc) / to congeal; to coagulate / (literary) definitely
性	xìng	nature / character / property / quality / attribute / sexuality / sex / gender / suffix forming adjective from verb / suffix forming noun from adjective, corresponding to -ness or -ity / essence / CL:个