bivalent

Describes something that has two valences or two distinct forms or functions.

• 🇫🇷Se dit de ce qui a deux valence ou deux formes/fonctions distinctes.

1. Having two valences C2 formal scientific

   Describes an atom or molecule that has a valence of two, meaning it can form two chemical bonds.

   • Oxygen is a bivalent element in many compounds.
   • The bivalent nature of the molecule allows it to bind with two other atoms.
   • In chemistry, bivalent ions carry a charge of plus or minus two.

   🇫🇷bivalent (chimie)

   Synonymes: divalent

2. Homologous chromosome pair C2 formal scientific

   Refers to a pair of homologous chromosomes that are physically associated during the first division of meiosis.

   • During prophase I of meiosis, homologous chromosomes form bivalent structures.
   • The bivalent configuration ensures proper genetic recombination.
   • Scientists observed the bivalent under the microscope during cell division.

   🇫🇷Bivalent (chromosome)

   Synonymes: tetrad

• more bivalent comparative form
• most bivalent superlative form