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词汇 nonagon
释义

Definition of nonagon in English:

nonagon

noun ˈnɒnəɡ(ə)n

  • A plane figure with nine straight sides and nine angles.

    九边形

    Example sentencesExamples
    • The room is shaped as a large nonagon, its sheer walls, a flat metallic grey, rising almost two stories up and curving into a dome.
    • What's the perimeter of a nonagon whose sides are each twice the length of the side of a square whose area is 16 square units?

Derivatives

  • nonagonal

    • adjective

Origin

Mid 17th century: formed irregularly from Latin nonus 'ninth', on the pattern of words such as hexagon.

Definition of nonagon in US English:

nonagon

noun

  • A plane figure with nine straight sides and nine angles.

    九边形

    Example sentencesExamples
    • The room is shaped as a large nonagon, its sheer walls, a flat metallic grey, rising almost two stories up and curving into a dome.
    • What's the perimeter of a nonagon whose sides are each twice the length of the side of a square whose area is 16 square units?

Origin

Mid 17th century: formed irregularly from Latin nonus ‘ninth’, on the pattern of words such as hexagon.
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