Addendum Word Meaning

late 17th century: Latin, ‘that which is to be added’, gerundive of addere (see add)

an item of additional material added at the end of a book or document, typically in order to correct, clarify, or supplement something

item of additional material added at end of book

• the group has issued an addendum to the letter
• such contracts, forms, and addenda exist for many types of real estate transactions

the radial distance from the pitch circle of a cogwheel or wormwheel to the crests of the teeth or ridges.

radial distance from pitch circle of cogwheel or wormwheel to crests of teeth or ridges