pentagonal

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. Something having the shape of a pentagon.
    — Speaking of protection, note that not only are the end pentagonals surrounded by a generous air space, but the entire instrument is insulated, […]
形容词 adj.
  1. Of, relating to, or shaped like a pentagon.
    — If the base be a triangle, it is called a triangular prism; if a square, a square prism; if a pentagon, a pentagonal prism; and' if the base is any irregular figure, it is called an irregular prism : ...

词形变化

more pentagonal comparative most pentagonal superlative pentagonals plural

词源

词源 1
Etymology tree
English pentagon
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 pentagonal
From pentagon + -al.
词源 2
Etymology tree
English pentagon
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 pentagonal
From pentagon + -al.
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