Definition

1. Noun:
   • A relatively long chain of atoms in a molecule: In chemistry, this term refers to a molecular structure consisting of a sequence of atoms (typically carbon atoms) that is extended or has many links compared to other chains in similar molecules.

Usage Examples

• Noun:
  • The polymer's properties are determined by its long chain of repeating units.
  • Fatty acids can be classified by whether they contain a long chain of carbon atoms.
  • The scientist studied the breakdown of the long chain hydrocarbon.

Advanced Usage

• The term is often used in comparative contexts within a specific chemical discussion, implying "longer than another, more typical chain."
  • While butane has a short chain, polyethylene is composed of extremely long chains.

Variants and Related Words

• Long-chain (adjective): Used as a modifier before a noun.
  • Long-chain fatty acids are important for health.
  • The material is a long-chain polymer.

Synonyms

• Extended chain: A chain of atoms that is stretched out or has considerable length.
• Macromolecular chain: A very large chain forming part of a macromolecule.

Different Meanings

• As a noun phrase, "long chain" can have a literal, non-chemical meaning (e.g., a lengthy physical chain made of metal links). However, in the provided academic (Wordnet) context, the chemical definition is primary.
  • The anchor was secured with a long chain. (Literal, non-chemical usage)

Related Phrases/Idioms

• : An idiom from management meaning a hierarchy with many levels between top and bottom. This is distinct from the chemical term.
  • Decisions were slow because the company had a very long chain of command.

Noun

1. (chemistry) a relatively long chain of atoms in a molecule