castellation

castellation
   a unit of angle measure equal to 1/6 turn or 60°, used in mechanical engineering. A castellated nut is a locknut having a raised rim with a number of equally spaced slots, usually 6. A cotter pin fits into one of the slots and into a hole bored in the bolt, holding the nut in place with a precise degree of torque, or "tightness". To turn the nut one castellation is to turn it from one slot to the next, that is, by 1/6 turn.

Dictionary of units of measurement. 2015.

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  • Castellation — Cas tel*la tion, n. [LL. castellation, fr. castellare, fr. L. castellum. See {Castle}.] The act of making into a castle. [1913 Webster] …   The Collaborative International Dictionary of English

  • castellation — ˌkastəˈlāshən noun ( s) Etymology: Medieval Latin castellation , castellatio, from castellatus + ion, io ion 1. : the act of castellating 2. : a castellated structure 3. a …   Useful english dictionary

  • castellation — castellated ► ADJECTIVE ▪ having battlements. DERIVATIVES castellation noun. ORIGIN Latin castellatus, from castellum little fort …   English terms dictionary

  • castellation — See castellated. * * * …   Universalium

  • castellation — noun a) The act of making a building into a castle b) The addition of battlements to a building See Also: castellate …   Wiktionary

  • castellation — cas·tel·la·tion …   English syllables

  • castellated — castellation, n. /kas tl ay tid/, adj. 1. Archit. built like a castle, esp. with turrets and battlements. 2. having many castles. [ < ML castellat(us) (see CASTLE, ATE1) + ED2] * * * …   Universalium

  • Marchmont Herald — For other uses, see Marchmont (disambiguation). Marchmont Herald The heraldic badge of Marchmont Herald of Arms   Tradition Ga …   Wikipedia

  • Castle — This article is about medieval fortifications. For other uses, see Castle (disambiguation). For a list of all castles, see List of castles. For similar but unrelated structures in Japan, see Japanese castle …   Wikipedia

  • SMPTE color bars — Color bar redirects here. For the political issue, see racial segregation. Rendition of SMPTE color bars. Note that due to technical issues, notably full I and Q modulations as well as the super black in the PLUGE of the signal, true SMPTE color… …   Wikipedia

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