three-membered
Definition
- Adjective:
- Having a ring structure composed of three atoms: Used specifically in chemistry to describe a cyclic compound (a molecule where atoms are connected to form a ring) whose ring consists of exactly three member atoms.
Usage Examples
- Adjective:
- Cyclopropane is a classic example of a three-membered ring compound.
- The strain in a three-membered carbon ring is due to significant angle deviation.
Advanced Usage
- The term is highly technical and is almost exclusively used in organic chemistry contexts to classify ring sizes. It is a descriptor, not a standalone noun.
- Often appears in the hyphenated form "three-membered" when used attributively before a noun (e.g., ).
Variants and Related Words
- Three-membered ring (noun phrase): The specific cyclic structure itself.
- The synthesis focused on constructing a stable three-membered ring.
- Triatomic ring: A less common synonym.
- Cyclopropane derivative: A common type of three-membered carbon ring compound.
Synonyms
- Triatomic (in the specific context of ring structures)
- Three-atom (when used as a modifier, e.g., three-atom ring)
Related Terms (Not Synonyms)
- Cyclic: Describes any ring-shaped compound.
- Strained ring: A common property of many three-membered rings due to bond angle distortion.
Adjective
-
of a chemical compound having a ring with three members
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