nonagonal

形容词 adj.
英 /nɒˈnæɡənəl/    美 /nɑˈnæɡənəl/|/noʊˈnæɡənəl/

英文释义

形容词 adj.
  1. Having nine sides and nine angles. not-comparable

词源

Etymology tree
English nonagon
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English nonagonal
From nonagon + -al.
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