nine points circle

nine points circle
nine ine (n[imac]n), a. [OE. nine, nihen, AS. nigon, nigan; akin to D. & LG. negen, OS. & OFries. nigun, OHG. niun, G. neun, Icel. n[=i]u, sw. nio, Dan. ni, Goth. niun, Ir. & Gael. naoi, W. naw, L. novem, Gr. 'enne`a, Skr. navan; of unknown origin. [root]307. Cf. {Novembeer}.] Eight and one more; one less than ten; as, nine miles. [1913 Webster]

{Nine men's morris}. See {Morris}.

{Nine points circle} (Geom.), a circle so related to any given triangle as to pass through the three points in which the perpendiculars from the angles of the triangle upon the opposite sides (or the sides produced) meet the sides. It also passes through the three middle points of the sides of the triangle and through the three middle points of those parts of the perpendiculars that are between their common point of meeting and the angles of the triangle. The circle is hence called the {nine points circle} or {six points circle}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Nine points circle — nine ine (n[imac]n), a. [OE. nine, nihen, AS. nigon, nigan; akin to D. & LG. negen, OS. & OFries. nigun, OHG. niun, G. neun, Icel. n[=i]u, sw. nio, Dan. ni, Goth. niun, Ir. & Gael. naoi, W. naw, L. novem, Gr. enne a, Skr. navan; of unknown origin …   The Collaborative International Dictionary of English

  • Nine-point circle — The nine points In geometry, the nine point circle is a circle that can be constructed for any given triangle. It is so named because it passes through nine significant points defined from the triangle. These nine points are: The midpoint of each …   Wikipedia

  • six points circle — nine ine (n[imac]n), a. [OE. nine, nihen, AS. nigon, nigan; akin to D. & LG. negen, OS. & OFries. nigun, OHG. niun, G. neun, Icel. n[=i]u, sw. nio, Dan. ni, Goth. niun, Ir. & Gael. naoi, W. naw, L. novem, Gr. enne a, Skr. navan; of unknown origin …   The Collaborative International Dictionary of English

  • Six points circle — Six Six, a. [AS. six, seox, siex; akin to OFries. sex, D. zes, OS. & OHG. sehs, G. sechs, Icel., Sw., & Dan. sex, Goth. sa[ i]hs, Lith. szeszi, Russ. sheste, Gael. & Ir. se, W. chwech, L. sex, Gr. ??, Per. shesh, Skr. shash. [root]304. Cf.… …   The Collaborative International Dictionary of English

  • Nine points of the law — Point Point, n. [F. point, and probably also pointe, L. punctum, puncta, fr. pungere, punctum, to prick. See {Pungent}, and cf. {Puncto}, {Puncture}.] 1. That which pricks or pierces; the sharp end of anything, esp. the sharp end of a piercing… …   The Collaborative International Dictionary of English

  • nine — ine (n[imac]n), a. [OE. nine, nihen, AS. nigon, nigan; akin to D. & LG. negen, OS. & OFries. nigun, OHG. niun, G. neun, Icel. n[=i]u, sw. nio, Dan. ni, Goth. niun, Ir. & Gael. naoi, W. naw, L. novem, Gr. enne a, Skr. navan; of unknown origin.… …   The Collaborative International Dictionary of English

  • Nine men's morris — nine ine (n[imac]n), a. [OE. nine, nihen, AS. nigon, nigan; akin to D. & LG. negen, OS. & OFries. nigun, OHG. niun, G. neun, Icel. n[=i]u, sw. nio, Dan. ni, Goth. niun, Ir. & Gael. naoi, W. naw, L. novem, Gr. enne a, Skr. navan; of unknown origin …   The Collaborative International Dictionary of English

  • Nine-pin bowling — Ninepin bowling pins and ball Highest governing body WNBA Nickname(s) ninepins, 9 pin, kegeln ... First played Medieval times, Germany …   Wikipedia

  • Nine-point hyperbola — Contents 1 Discovery 2 Construction 3 See also 4 References 5 External links …   Wikipedia

  • Points of the compass — Point Point, n. [F. point, and probably also pointe, L. punctum, puncta, fr. pungere, punctum, to prick. See {Pungent}, and cf. {Puncto}, {Puncture}.] 1. That which pricks or pierces; the sharp end of anything, esp. the sharp end of a piercing… …   The Collaborative International Dictionary of English

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