Friday, 19 October 2012

Entry: dihedral (adj.)

In context: "The mattress, a Simmons Beauty Rest whose tag said it could not by law be removed, now formed the hypotenuse of a right dihedral triangle whose legs were myself and the bed's box spring."

Definition: Math. Of the nature of a dihedron

dihedron (n.):    In the geometrical theory of groups, the portion of two superposed planes bounded by (or contained within) a regular polygon.

Not much better?

Here's a picture... which should be helpful?


SNOOT score: 1
Page: 495

Source: Oxford English Dictionary, Greg Egan   

1 comment:

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