univalent

• Прилагательное, используемое в основном в химии и математике, означающее имеющий валентность, равную единице (химия) или имеющий одно значение (математика). В общем употреблении в значительной степени устарело.

An adjective primarily used in chemistry and mathematics, meaning having a valence of one (chemistry) or having one value (mathematics). It is largely obsolete in general use.

1. Unpaired chromosomeC2formalscientific

   Describes a chromosome that is not paired or united with its homologous chromosome during synapsis.

   Непарная хромосома

   • During meiosis, a univalent chromosome fails to pair with its homolog.
   • The presence of a univalent can lead to aneuploidy in the resulting gametes.
   • Researchers observed a univalent in the cell division of the hybrid plant.

   Synonymssingleunpaired

2. C2formalscientific

   Having a chemical valence of one; capable of combining with one atom of hydrogen or its equivalent.

   Одновалентный

   • Hydrogen is a univalent element.
   • Sodium and potassium are univalent metals.
   • The univalent ion carries a single positive charge.

   Synonymsmonovalent

   Antonymsbivalentdivalentmultivalentpentavalentpolyvalenttetravalenttrivalent