What is a solid figure or body inclosed by ten plane surfaces. [Written also, less correctly, decaedron.] called?
decahedron — A solid figure or body inclosed by ten plane surfaces. [Written also, less correctly, decaedron.]. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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