English Dictionary

dual

IPA（発音記号）

/ˈdjuː.əl/

名詞

Of an item that is one of a pair, the other item in the pair. / (geometry) Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces.

日本語の意味

対になるもの、ペアのもう一方のもの / （幾何学）双対多面体：ある正多面体の頂点数と面数を入れ替えた正多面体

I bought one bookend at a flea market and later found its dual in an online auction.

フリーマーケットでブックエンドを一つ買い、後でオンラインオークションでその片割れを見つけた。

意味（1）

Of an item that is one of a pair, the other item in the pair.

意味（2）

(geometry) Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces.

The octahedron is the dual of the cube.

意味（3）

(grammar) The dual number.

意味（4）

(mathematics) Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space.

duals （ plural ）