gear ratio.

The ratio relating the rotational speeds or tooth counts of connected gears, expressed according to a stated input-output convention.

Use it for

Words that belong together

• a high gear ratio
• a reduction gear ratio

On the page

The reduction gear ratio slowed the output enough for the narrow adjustment.

She stated the gear ratio convention before comparing the two assemblies.

Usage notes

Primary category: sci-fi. Forms: Singular gear ratio; plural gear ratios. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.