(economics) An industry that processes raw materials for conversion by secondary industry into goods or services sold by tertiary industry to provide goods or services to consumers.

(economics) An industry that provides goods or services to consumers using raw materials from primary industry and goods processed by secondary industry.

(economics) An industry that processes raw materials produced by primary industry into goods suitable for tertiary industry to provide goods or services to consumers.

A job or occupation carried out at home or on a part-time basis. / A small-scale industry, with relatively few employees or a limited customer base or low economic impact.

Any industry that does not require high capitalization or heavy machinery.

The sector of industry that involves the intellectual services: research, development, and information. It is considered the fourth basic industry.

(aviation) A discounted air fare for airlines staff.

Domestic manufacturing or commercial activity seen as being a precursor to industrialization; cottage industry.

An industry that is fading away, perhaps because replaced by newer technology, or facing a lack of critical resources or a lack of consumer interest

plural of knight of industry