Dictionary.com

dedendum

[ dih-den-duhm ]
/ dɪˈdɛn dəm /
Save This Word!

noun, plural de·den·da [dih-den-duh]. /dɪˈdɛn də/. Machinery.

(on a gear or rack) the radial distance between the pitch circle or line and the root circle or line.Compare addendum (def. 3a).

QUIZZES

DO A DOUBLE TAKE ON THIS QUIZ ON CONTRONYMS

Look both ways before you take this quiz on contronyms, or words that can have opposite meanings.
Question 1 of 7
Choose the sentence that uses "rent" correctly.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of dedendum

1900–05; <Latin: to be given up, gerund of dēdere, equivalent to dē-de- + -dere combining form of dare to give; see addendum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
FEEDBACK