quadrivalentWiktionary 原文/kwɒdrɪˈveɪlənt/构词拆解quadriquadri-前缀valent-valent后缀quadri-Four.-valentHaving one or more valences.词源说明From quadri- + -valent.释义形容词adjective1(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.名词