deltoidal

del·toid·al
D2E1L1T1O1I1D2A1L1
/dɛlˈtɔɪd.əl/

adjective

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.

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

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Meanings

adjectivedeltoidal (comparative more deltoidal, superlative most deltoidal)

comparative more deltoidal · superlative most deltoidal

  1. geometryResembling or shaped like a geometric kite (a deltoid); having the characteristics of a deltoid or pertaining to a polyhedron composed of kite-shaped faces.

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

    2 more examples

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

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

    2026 July 11, Wikipedia contributors, “Rhombic dodecahedron”, in English Wikipedia, Wikimedia Foundation
  2. anatomyOf, relating to, or resembling the deltoid muscle of the shoulder or its surrounding region.
  3. geographyOf, relating to, or resembling a river delta.

Origin

From deltoid + -al.

Full word history & related roots →
Cite this entry
APA

deltoidal. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/deltoidal

MLA

“deltoidal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deltoidal. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “deltoidal,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/deltoidal.

Source: deltoidal on Wiktionary, CC BY-SA 4.0.