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primary reinforcements
primary teeth
plural of primary tooth
primary sectors
plural of primary sector
primary industries
plural of primary industry
primary industry
(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.
primary sector
(economics) The sector of the economy that principally produces raw materials for use by other sectors.
primary structure
(biochemistry) The linear sequence of amino acids covalently linked by peptide bonds to form a single polypeptide chain.
primary election
(politics) A preliminary election to select a political candidate of a political party.
pre-primary
primary education
The basic schooling given to children up to the age of puberty, including reading, writing, and basic mathematics.