the aggregate of manufacturing or technically productive enterprises in a particular field, often named after its principal product: the automobile industry; the steel industry.
2.
any general business activity; commercial enterprise: the Italian tourist industry.
3.
trade or manufacture in general: the rise of industry in Africa.
4.
the ownership and management of companies, factories, etc.: friction between labor and industry.
late 15c., "cleverness, skill," from O.Fr. industrie, from L. industria "diligence," fem. of industrius "industrious, diligent," used as a noun, from early L. indostruus "diligent," from indu "in, within" + stem of struere "to build" (see structure). Sense of "diligence,