quadrivalent

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. Any quadrivalent chromosome
形容词 adj.
  1. Having a valence of four. not-comparable
  2. Protecting against four different (usually influenza) viruses. not-comparable
  3. Having all of its vertices of degree four. not-comparable
    — In graph theory terms, a regular projection of a knot, or knot diagram is thus a quadrivalent planar graph with over/under-decorated vertices.

词形变化

quadrivalents plural

词汇关系

近义词
tetravalent
衍生词
quadrivalently
相关词
bivalent trivalent quinquivalent

词源

词源 1
Etymology tree
Proto-Indo-European *kʷetwóresder.
Proto-Indo-European *kʷetwr̥-
Proto-Italic *kʷetru-
Latin quadri-bor.
English quadri-
English -valent
English quadrivalent
From quadri- + -valent.
词源 2
Etymology tree
Proto-Indo-European *kʷetwóresder.
Proto-Indo-European *kʷetwr̥-
Proto-Italic *kʷetru-
Latin quadri-bor.
English quadri-
English -valent
English quadrivalent
From quadri- + -valent.
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