Meaning of addendum
Pronunciation: (u-den'dum), [key]
— pl. -da -dums
- a thing to be added; an addition.
- an appendix to a book.
- the radial distance between the tip of a gear tooth and the pitch circle of a gear or the pitch line of a rack. Cf. dedendum.
- Also calledadden&prim;dum cir&prim;cle.an imaginary circle touching the tips of the teeth on a gear.
- addendum (Thesaurus)