Addendum circle
Addendum Ad*den"dum, n.; pl. {Addenda}. [L., fr. addere to add.] A thing to be added; an appendix or addition. [1913 Webster]

{Addendum circle} (Mech.), the circle which may be described around a circular spur wheel or gear wheel, touching the crests or tips of the teeth. --Rankine. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Addendum circle — The addendum circle coincides with the tops of the teeth of a gear and is concentric with the standard (reference) pitch circle and radially distant from it by the amount of the addendum. For external gears, the addendum circle lies on the… …   Wikipedia

  • addendum circle — noun : a circle touching the extreme points of the teeth of a circular gear wheel see pitch line * * * addendum circle, the circle described by the outer ends of the teeth of a turning gearwheel …   Useful english dictionary

  • addendum circle — A circle on a gear wheel which touches the points of the teeth of the wheel …   Ballentine's law dictionary

  • Addendum — Ad*den dum, n.; pl. {Addenda}. [L., fr. addere to add.] A thing to be added; an appendix or addition. [1913 Webster] {Addendum circle} (Mech.), the circle which may be described around a circular spur wheel or gear wheel, touching the crests or… …   The Collaborative International Dictionary of English

  • Addendum — In the plural, both the Latin addenda and the English adaptation addendums are acceptable.BooksIn a book, an addendum (sometimes referred to as an appendix ) is a supplemental addition to a given main work. It may correct errors, explain… …   Wikipedia

  • addendum — /euh den deuhm/, n., pl. addenda / deuh/ for 1, 2; addendums for 3. 1. a thing to be added; an addition. 2. an appendix to a book. 3. Mach. a. the radial distance between the tip of a gear tooth and the pitch circle of a gear or the pitch line of …   Universalium

  • addendum — /əˈdɛndəm / (say uh denduhm) noun (plural addenda /əˈdɛndə/ (say uh denduh)) 1. a thing to be added; an addition. 2. an appendix to a book. 3. Machinery a. the distance between the tip of a tooth and the pitch circle or pitch line of a toothed… …   Australian English dictionary

  • addendum — [ə den′dəm] n. pl. addenda [ə den′də] [L, ger. of addere, ADD1] 1. a thing added or to be added 2. an appendix or supplement to a book, etc. 3. the part of a gear tooth that projects beyond the pitch circle, or the distance that it projects …   English World dictionary

  • addendum — [ə dɛndəm] noun (plural addenda də) 1》 an extra item added at the end of a book or text. 2》 Engineering the radial distance from the pitch circle of a cogwheel or wormwheel to the crests of the teeth or ridges. Compare with dedendum. Origin C17:… …   English new terms dictionary

  • List of circle topics — This list of circle topics includes things related to the geometric shape, either abstractly, as in idealizations studied by geometers, or concretely in physical space. It does not include metaphors like inner circle or circular reasoning in… …   Wikipedia

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