having atoms linked by bonds represented in circular or triangular form
not open or affording passage or access
a series of things depending on each other as if linked together
(chemistry) a series of linked atoms (generally in an organic molecule)
a series of (usually metal) rings or links fitted into one another to make a flexible ligament
anything that acts as a restraint
(business) a number of similar establishments (stores or restaurants or banks or hotels or theaters) under one ownership
