primary :not derived from or reducible to something else; basic
a primary instinct
primary :most important element
the chief aim of living|the main doors were of solid glass|the principal rivers of America|the principal example|policemen were primary targets|the master bedroom|a master switch
primary :coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit
current through the primary coil induces current in the secondary coil
primary :of or being the essential or basic part
an elementary need for love and nurturing|a basal reader
primary :a preliminary election where delegates or nominees are chosen
primary :one of the main flight feathers projecting along the outer edge of a bird's wing
primary :(astronomy) a celestial body (especially a star) relative to other objects in orbit around it