(computing) An addressing system of hard drives where the hard drive is addressed by its cylinders, heads, and sectors.

(economics) A model in development economics that explains the growth of a developing economy in terms of a labour transition between the capitalist sector and the subsistence sector.

Alternative form of quaternary industry

plural of primary sector

plural of secondary sector

plural of tertiary sector

plural of public sector

plural of private sector

plural of zenith sector

plural of hyperbolic sector