Meaning of CLOSED CHAIN

Pronunciation:			klowzd cheyn
WordNet Dictionary
	Definition:		[n]  (chemistry) a chain of atoms in a molecule that forms a closed loop [adj]  having atoms linked by bonds represented in circular or triangular form
	Websites:
	Synonyms:		closed-ring, cyclic, ring
	Antonyms:		open chain
	See Also:		chain, chemical chain