polyhedrometryn.
/ˌpɒlɪhɪˈdrɒmᵻtri/, U.S. /ˈˌpɑliˌhiˈdrɑmətri/ Mathematics. rare.
The branch of mathematics that deals with the measurement and properties of polyhedra.
ΚΠ
1890 Cent. Dict. Polyhedrometry, the system of theorems concerning the numbers of faces, edges, and summits of polyhedra, the numbers of edges belonging to the different faces and summits, and other allied matters.
1916 Biometrika 11 237 It would be a fine task for an adequately equipped pure mathematician to write a treatise on ‘spherical polyhedrometry’.
Derivatives
ˌpolyhedroˈmetric adj. rare Apparently only attested in dictionaries or glossaries.
ΚΠ
1890 Cent. Dict. Polyhedrometric, pertaining to polyhedrometry.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1890