Nonahedron

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A polyhedron with nine faces.

    "A polyhedral oligomeric silsesquioxane (POSS), consisting mainly of a mixture of octahedra, nonahedra, and decahedra with bulky and flexible organic substituents, with three secondary hydroxyls per organic group, was used to modify epoxy networks produced by the homopolymerization of diglycidyl ether of bisphenol A in the presence of benzyldimethylamine."

Synonyms

All synonyms
enneahedron

Example

More examples

"A polyhedral oligomeric silsesquioxane (POSS), consisting mainly of a mixture of octahedra, nonahedra, and decahedra with bulky and flexible organic substituents, with three secondary hydroxyls per organic group, was used to modify epoxy networks produced by the homopolymerization of diglycidyl ether of bisphenol A in the presence of benzyldimethylamine."

Etymology

From nona- + -hedron.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.