primary >> /ˈpraɪˌmɛri/
Definition: [transitive verb] (in the US) run against (the current holder of a political office) in the preliminary election a party uses to select its candidate for the general election.
Example: I'm not primarying the president, and no one else should either unless we want to lose the White House
Definition: [noun] (in the US) a preliminary election to appoint delegates to a party conference or to select the candidates for a principal, especially presidential, election.
Example: these two republicans should win their primaries easily
Definition: [noun] A primary color.
Example: In dealing with pigment the primaries are red, blue, and yellow, not green.
Definition: [noun] The Primary or Paleozoic era.
Definition: [adjective] Of chief importance; principal.
Example: the government's primary aim is to see significant reductions in unemployment
Definition: [adjective] Earliest in time or order.
Example: the primary stage of their political education
Definition: [adjective] Not derived from, caused by, or based on anything else; original.
Example: his expert handling of the primary and secondary literature is clear on every page
Definition: [adjective] (of an organic compound) having its functional group located on a carbon atom which is bonded to no more than one other carbon atom.
Example: a primary alcohol
Definition: [adjective] Denoting or relating to organisms that produce organic compounds from simple substances such as water and carbon dioxide, typically by photosynthesis.
Example: the organic matter is formed by primary producers such as plants and plankton
Definition: [adjective] Relating to or denoting the input side of a device using electromagnetic induction, especially in a transformer.
Example: These two pins are the primary winding of the transformer.
Definition: [adjective] former term for Paleozoic
Example: First came the Primitive or Primary rocks, then the Secondary, than finally the Alluvial or Tertiary.