Polyphenylene sulfide (PPS) is an organic polymer consisting of aromatic rings linked with sulfides.

Its structure consists of aminopyrimidine and a thiazole ring linked by a methylene bridge.

Most snaffle-based ring bits have a jointed mouthpiece, with the ring linked to the bit rings or lower cheeks.

Others make a tethered ring, linked in a symbiotic relationship to a tree that provides nourishment as long as the fungus is close enough.

He wore metal like a silken shirt, for it had been fashioned of small rings linked one upon the other.

The material, Dr. Jenekhe said in an interview, is a derivative of polythiophene, a chain of carbon-atom rings linked to sulfur atoms.

Chemical structure of this aramid consists of linearly substituted aromatic rings linked by amide groups.

The bottom 23 feet consists of a stack of oval rings linked by chains.

More complex carbohydrates can have dozens of rings linked in a long chain.

Psilocybin is a tryptamine compound with a chemical structure containing an indole ring linked to an ethylamine substituent.