英和和英

発音

• IPA: /kwɒdrɪˈveɪlənt/

形容詞

quadrivalent (not comparable)

1. (chemistry) Having a valence of four.
2. (medicine, of a vaccine) Protecting against four different (usually influenza) viruses.
3. (graph theory) Having all of its vertices of degree four.
   • 2020 January 3, Wikipedia contributors, “Knot (mathematics)”, in English Wikipedia‎, Wikimedia Foundation:

     In graph theory terms, a regular projection of a knot, or knot diagram is thus a quadrivalent planar graph with over/under-decorated vertices.

同意語

• (chemistry, medicine): tetravalent

関連する語

• bivalent
• trivalent
• quinquivalent

名詞

quadrivalent (plural quadrivalents)

1. (genetics) Any quadrivalent chromosome