open chain

noun, Chemistry
1.
a series of atoms linked in a chain not joined together at its ends, and so represented in its structural formula.
Compare closed chain.
Origin
1880-85
Related forms
open-chain, adjective
Examples from the web for open chain
  • open chain-link or ornamental metal fencing are recommended unless there is a need for privacy or noise mitigation.
  • open chain-link or ornamental metal fencing is recommended unless there is a need for privacy or noise mitigation.
British Dictionary definitions for open chain

open chain

noun
1.
a chain of atoms in a molecule that is not joined at its ends into the form of a ring
open chain in Science
open chain  
An arrangement of atoms of the same type that does not form a ring. Aliphatic compounds, such as ethane and isopropyl alcohol, are open-chain compounds.