digon

名词 n.
中文释义
英 /ˈdaɪɡən/|/ˈdaɪˌɡɒn/    美 /ˈdaɪɡən/|/ˈdaɪˌɡɑn/

英文释义

名词 n.
  1. A polygon having two edges and two vertices.
    — They [the students] also came upon new and unusual mathematical figures: the digon, a two-sided polygon on a spherical space, and the apeirogon, an open polygon with infinitely many sides […]. All these discoveries brought up even more questions. Is a circle a polygon? What makes an octagon an octagon – its eight vertices, its eight sides, or both? Can a polygon cross itself? Does a polygon need to be closed?
  2. A pair of parallel undirected edges in a multigraph.
  3. A pair of antiparallel edges in a directed graph.

词形变化

digons plural

词汇关系

衍生词
digonal
并列词
monogon · digon · trigon · tetragon · pentagon · hexagon · heptagon · octagon · nonagon · decagon · undecagon · dodecagon · see also Category:English terms suffixed with -gon

词源

From di- (prefix meaning ‘two’) + -gon (suffix forming the names of plane figures containing a given number of angles).
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