| 释义 |
poly·gon
\ˈpälēˌgän, -lə̇ˌg- sometimes -_gən\ noun
(-s)
Etymology: Late Latin polygonum, from Greek polygōnon, from neuter of polygōnos polygonal, from poly- + -gōnos (from gōnia angle, corner) — more at -gon
1.
a. : a closed figure consisting of straight lines joined end to end
b. : a closed figure on the surface of a sphere consisting of arcs of great circles joined end to end
2.
a. : a polygonal or approximately polygonal object, area, or arrangement
b. : an often hexagonal block or arrangement of surficial material (as soil) forming part of a uniform pattern and often caused by alternate freezing and thawing of the crust — usually used in plural
< mud polygons >
< stone polygons >
< ice polygons > |