a structure consisting of something wound in a continuous series of loops | remedy that prevents or slows the course of an illness or disease |
reactor consisting of a spiral of insulated wire that introduces inductance into a circuit | an agent or device intended to prevent conception |
tubing that is wound in a spiral | any obstruction that impedes or is burdensome |
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) | |