Gear and Reducer

Gear noun - Items needed for the performance of a task or activity.

Reducer and gear are semantically related in gearbox topic. In some cases you can use "Reducer" instead a noun "Gear", when it comes to topics like gear box, reduction gear.

Nearby Words: geared, gearing, gearbox

Reducer noun - A substance capable of bringing about the reduction of another substance as it itself is oxidized; used in photography to lessen the density of a negative or print by oxidizing some of the loose silver.

Gear and reducer are semantically related in gearbox topic. You can use "Gear" instead a noun "Reducer", if it concerns topics such as gear box, reduction gear.