noun
- The part of a gear tooth that lies below the pitch circle, extending from the pitch circle to the root of the tooth.
Usage: technical; engineering
Examples
- The dedendum of the gear tooth must be precisely calculated to ensure proper meshing.
- Engineers measure the dedendum to determine the root diameter of the gear.
- A larger dedendum provides more space for the mating gear tooth to enter.
- The dedendum depth affects the overall strength and durability of the gear.
- In gear design, the dedendum is complementary to the addendum.