quadrivalent

quadrivalent

A carbon atom can form quadrivalent bonds with four hydrogen atoms.

Definition
  1. Adjective (Chemistry):
    • Having a valence of four: "quadrivalent" describes an atom or chemical element that can combine with four other atoms or groups, or that has four valence electrons.
    • Tetravalent: It is synonymous with "tetravalent" in chemical contexts.
Usage Examples
  • (Carbon has a valence of four.)
  • (Note: This usage is medical, not chemical — see Advanced Usage.)
Advanced Usage
  • Medical/Vaccinology: "quadrivalent" is also used to describe a vaccine or medication that is effective against four different strains or types of a pathogen.
    • The quadrivalent influenza vaccine protects against four influenza virus subtypes. (The vaccine targets four strains.)
    • A quadrivalent HPV vaccine guards against four types of human papillomavirus. (The vaccine covers four virus types.)
Variants and Related Words

  • Quadrivalence (noun): the state or property of being quadrivalent.

    • The quadrivalence of silicon allows it to form stable compounds with oxygen. (Silicon's valence of four enables bonding.)

  • Quadrivalently (adverb): in a quadrivalent manner.

    • The atom bonds quadrivalently in this molecule. (It forms four bonds.)
Synonyms
  • Tetravalent: having a valence of four (direct synonym in chemistry).
  • Four-valent: a less formal term meaning the same.
Related Idioms