(education, Britain) In the UK, from 1944 to the 1970s, a secondary school for children who had failed the eleven plus examination.

passive smoking

(economics) The sector of the economy that principally uses raw materials produced by the primary sector for sale and use by other sectors.

plural of secondary sector

plural of secondary industry

(finance) The financial market for trading of securities that have already been issued in an initial private or public offering.

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

The production of carbon dioxide in sparkling wine using the méthode champenoise, or in beer using bottle conditioning / Malolactic fermentation.

plural of secondary amine

(chemistry) An amine containing two radicals, of general formula R₁R₂-NH; the radicals may be the same, different, or part of a ring.