'closed-ring' definitions:

Definition of 'closed-ring'

(from WordNet)
adjective
Having atoms linked by bonds represented in circular or triangular form [syn: closed-chain, closed-ring]

Definition of 'closed-ring'

From: GCIDE
  • closed-ring \closed-ring\ adj. (Chem.) same as closed-chain.
  • Syn: closed-chain. [WordNet 1.5]