tandwiel

IATE definitions: 1. toothed wheel which gears with another piece of a mechanism; 2. wheel having teeth which engage with those of another wheel or part, e.g. toothed wheel in a set of gears; 3. the teeth of one engage with the teeth of another so that the rotary movement of the first gear is transmitted to the next, and so on (IATE^[1])
- gear wheel; gear
- toothed wheel
- cogwheel/cog wheel
(met inwendige vertanding) annular gear wheel
(van fiets; voor) chainwheel/chain wheel
(van fiets; achter) sprocket wheel; sprocket

See also:

primair tandwiel; drijvend tandwiel = driving gear
secundair tandwiel =  driven gear