noun
[ U , C ] ( economics ) the section of industry that provides raw materials to be made into goods, for example farming and mining
—compare secondary industry , tertiary industry
noun
[ U , C ] ( economics ) the section of industry that provides raw materials to be made into goods, for example farming and mining
—compare secondary industry , tertiary industry
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005