boundaryとは

発音

• (英国発音) IPA^(key): /ˈbaʊndɹi/
• (米国発音) IPA^(key): /ˈbaʊndəɹi/
• 韻: -aʊndɹi

名詞

boundary (複数形 boundaries)

1. The dividing line or location between two areas.
   • 1908, W[illiam] B[lair] M[orton] Ferguson, chapter IV, in Zollenstein, New York, N.Y.: D. Appleton & Company, OCLC 731476803:

     So this was my future home, I thought! […] Backed by towering hills, the but faintly discernible purple line of the French boundary off to the southwest, a sky of palest Gobelin flecked with fat, fleecy little clouds, it in truth looked a dear little city; the city of one's dreams.

2. (cricket) An edge or line marking an edge of the playing field.
3. (cricket) An event whereby the ball is struck and either touches or passes over a boundary (with または without bouncing), usually resulting in an award of 4 (four) or 6 (six) runs respectively for the batting team.
4. (topology) (of a set) The set of points in the closure of a set ${\displaystyle S}$, not belonging to the interior of that set.

派生語

• Boundary County
• boundary rider
• boundary umpire

関連する語

• bound

参考

• border
• confine
• frontier
• fladry

Further reading

• boundary in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
• boundary in The Century Dictionary, The Century Co., New York, 1911