Associations to the word «Pentagrid»

Wiktionary

PENTAGRID, noun. (mathematics) A tiling of the hyperbolic plane with regular pentagons
PENTAGRID CONVERTER, noun. A compound thermionic valve used in superheterodyne radio receivers.

Wise words

Truthful words are not beautiful; beautiful words are not truthful. Good words are not persuasive; persuasive words are not good.
Lao-Tzu