<p><strong>Noun</strong></p><ul><li>A person or thing that dims.</li><li>Also called dimmer switch.</li><li>A rheostat or similar device by which the intensity of an electric light may be varied.</li><li>Dimmers: the low-beam headlights of an automobile or truck.</li><li>The small parking lights of an automobile.</li></ul><p><strong>End of Response</strong></p>