quadrivalent
nounEtymology From quadri- + -valent.
quadrivalent
adj/kwɒdrɪˈveɪlənt/
Etymology From quadri- + -valent.
1
Chemistry, Natural sciences, Physical sciences Having a valence of four.
2
Medicine, Sciences Of a vaccine Protecting against four different (usually influenza) viruses.
3
Graph theory, Mathematics, Sciences Having all of its vertices of degree four.
- In graph theory terms, a regular projection of a knot, or knot diagram is thus a quadrivalent planar graph with over/under-decorated vertices.2020 January 3, Wikipedia contributors, “Knot (mathematics)”, in English Wikipedia, Wikimedia Foundation:
- Synonyms
- tetravalent
- Derived terms
- quadrivalently
- Related terms
- bivalent, trivalent, quinquivalent