four-membered

• Устаревшее прилагательное, используемое в основном в химии для описания кольцевой структуры, состоящей из четырёх атомов или звеньев.

An obsolete adjective used primarily in chemistry to describe a ring structure composed of four atoms or members.

1. Having a four-atom ringC2formalscientific

   Describes a chemical compound whose molecular structure contains a ring composed of four atoms.

   Четырёхчленный

   • The chemist synthesized a new four-membered ring compound.
   • Four-membered rings are often less stable than five- or six-membered rings.
   • The reaction produced a four-membered lactone as an intermediate.