deltoidalとは 意味・読み方・使い方

発音

• IPA: /dɛlˈtɔɪd.əl/
• ハイフネーション: del‧toid‧al

形容詞

deltoidal (comparative more deltoidal, superlative most deltoidal)

1. (geometry) Resembling or shaped like a geometric kite (a deltoid); having the characteristics of a deltoid or pertaining to a polyhedron composed of kite-shaped faces.
   • 2026 July 11, Wikipedia contributors, “Rhombic dodecahedron”, in English Wikipedia‎, Wikimedia Foundation:

     The deltoidal dodecahedron is another topological equivalence of a rhombic dodecahedron form.

   Each face of the complex Catalan solid exhibits a distinctly deltoidal geometric boundary.

   The polyhedron's surface can be decomposed into twelve independent, non-overlapping deltoidal sections.

2. (anatomy) Of, relating to, or resembling the deltoid muscle of the shoulder or its surrounding region.
3. (geography) Of, relating to, or resembling a river delta.

派生語