a preliminary election where delegates or nominees are chosen | a structure consisting of something wound in a continuous series of loops |
one of the main flight feathers projecting along the outer edge of a bird's wing | reactor consisting of a spiral of insulated wire that introduces inductance into a circuit |
coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit | tubing that is wound in a spiral |
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it | a contraceptive device placed inside a woman's womb |
| a transformer that supplies high voltage to spark plugs in a gasoline engine |
| a round shape formed by a series of concentric circles (as formed by leaves or flower petals) |