polygonal
polygonal — adjective
- polygonalpositive
- more polygonalcomparative
- most polygonalsuperlative
1. describing a flat shape that is closed by several straight edges meeting at corn
describing a flat shape that is closed by several straight edges meeting at corners, often five or more.
Eitan drew a polygonal window frame with six equal straight edges.
describes a shape built from several straight edges
The new museum has a polygonal roof that looks like a giant folded paper crane.
Nora arranged the garden beds into a neat polygonal pattern of five-sided plots.
Old city walls were often polygonal, with sharp corners that helped guards watch every side.
The children cut the cake into polygonal slices, each one with five or six straight edges.
- many-sided
plainer, everyday wording for the same idea
- angular
stresses the sharp corners rather than the count of sides
用法筆記
Most often describes physical objects and designs (roofs, walls, tiles, windows) whose outline is made of straight sides rather than curves. Contrasts directly with 'circular' or 'rounded'.
常見錯誤
polygonal — noun
- polygonalsingular
- polygonalsplural
1. a flat figure bounded entirely by straight edges and corners, with at least thre
a flat figure bounded entirely by straight edges and corners, with at least three of them, such as a triangle or hexagon.
Yara taught the class that a triangle is the simplest polygonal with only three straight sides.
countable: a/the polygonal as a named shape
Bao folded the paper into a six-sided polygonal, with every straight edge the same length.
The tile floor was a repeating pattern of small polygonals, each with five flat edges.
Tendai measured each five-sided polygonal carefully before cutting the wood into matching straight-edged pieces.
- polygon
the far more common everyday word for this shape
用法筆記
A specialist geometry term for the shape itself; in everyday speech most people say 'polygon' for the noun and reserve 'polygonal' for the adjective. Distinguish from the adjective sense, which describes other objects rather than naming the shape.