heptahedron

[hep-tuh-hee-druhn]

noun

plural

heptahedrons, heptahedra 

1. a solid figure having seven faces.

heptahedron

/ ˌhɛptəˈhiːdrən /

noun

1. a solid figure having seven plane faces See also polyhedron

Other Word Forms

• heptahedral adjective
• heptahedrical adjective

Word History and Origins

Origin of heptahedron¹

First recorded in 1650–60; hepta- + -hedron

Example Sentences

Heptahedron, hep-ta-hē′dron, n. a solid figure with seven faces or sides.—adjs.

From Project Gutenberg

Associated word: heptaglot. seven-sided, a. heptagonal, septilateral. seven-sided figure. heptagon, heptahedron. seventy, n.

From Project Gutenberg