英和和英

別の表記

• pentagramme (rare, archaic)

語源

From Ancient Greek πεντάγραμμον (pentágrammon), noun form of the adjectives πεντάγραμμος (pentágrammos) and πεντέγραμμος (pentégrammos, “five-lined, having five lines”). Equivalent to penta- +‎ -gram.

発音

• enPR: pĕn′tə-grăm′, IPA: /ˈpɛn.təˌɡɹæm/
• 韻: -ɛntəɡɹæm
• ハイフネーション: pen‧ta‧gram

名詞

pentagram (plural pentagrams)

1. The shape of a five-pointed star constructed of five intersecting lines meeting at the vertices, such that a central pentagon and five surrounding isosceles triangles are formed; often with magical connotations; a 5/2 (or 5/3) star polygon.
   • 1871, W. J. C. Miller, editor, Mathematical Questions and Solutions, volume XV, page 47:

     Prove that the circles so belonging to the 6 pentagrams formed by 6 lines meet in a point, and so on; the series of theorems being interminable.

   • 2007, Christopher Penczak, The Temple of High Witchcraft: Ceremonies, Spheres, and the Witches' Qabalah‎, page 345:

     The passive pentagrams of spirit are drawn first in the quarters of the passive elements—water and earth—and likewise followed by the appropriate traditional elemental pentagram.

   • 2012, John Barnes, Gems of Geometry‎, page 59:

     Four figures involve 12 pentagrams arranged as in the faces of a dodecahedron with their vertices touching.

同意語

• pentacle
• pentalpha
• pentangle

Holonyms

• pentacle

派生語

関連する語

• (star shape): hexagram (6-pointed), heptagram (7-pointed), octogram (8-pointed), nonagram (9-pointed), decagram (10-pointed)