trihedron

[ trahy-hee-druh n ]
/ traɪˈhi drən /

noun, plural tri·he·drons, tri·he·dra [trahy-hee-druh] /traɪˈhi drə/. Geometry.

the figure determined by three planes meeting in a point.

Nearby words

  1. trigraph,
  2. trigraphic,
  3. trigère,
  4. trihalomethane,
  5. trihedral,
  6. trihydrate,
  7. trihydric,
  8. trihydric alcohol,
  9. trihydroxy,
  10. triiodomethane

Also trihedral.

Origin of trihedron

First recorded in 1820–30; tri- + -hedron

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for trihedron

trihedron

/ (traɪˈhiːdrən) /

noun plural -drons or -dra (-drə)

a figure determined by the intersection of three planes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012