sprocketless

English

Etymology

From sprocket +‎ -less.

Adjective

sprocketless (not comparable)

1. Without a sprocket.
   • 1939, Eastman Kodak Company. Research Laboratories, Monthly Abstract Bulletin from the Kodak Research Laboratories, page 221:

     The Synchro-Sound 16-mm. professional camera is described which features a sprocketless sound drive designed to insure flutterless recording.