Share this entry

Share this page

dedendum

Line breaks: de|den¦dum
Pronunciation: /dɪˈdɛndəm
 
/

Definition of dedendum in English:

noun

Engineering
The radial distance from the pitch circle of a cogwheel or wormwheel to the bottom of the tooth space or groove. Compare with addendum.
Example sentences
  • Gears have addendums and dedendums that are the amount of tooth above and below the pitch line.
  • You do need a hob drawing which would have the addendum equal to the dedendum of the gear you are cutting.
  • The dedendum of the spur gear must be greater than the addendum of the lantern gear to prevent interference.

Origin

early 20th century: from Latin, 'thing that can be surrendered', neuter gerundive of dedere.

Definition of dedendum in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day emulous
Pronunciation: ˈɛmjʊləs
adjective
seeking to emulate someone or something