TERTIARY

[adjective] [not gradable] [formal or specialized] - for or in a third level or stageBrown is a tertiary colour.(formal or specialized) When used of an industry, tertiary means providing a service, rather than being involved with obtaining the materials with which goods are made, or with the making of goods.(UK and ANZ) Tertiary is often used to mean connected with education in colleges or universities.tertiary education (US higher education)tertiary studentsa tertiary college