tetracyclic

/ ˌtɛtrəˈsaɪklɪk /

adjective

1. chem (of a compound) containing four rings in its molecular structure

Example Sentences

The exception to the lower death rates was a class of older antidepressants known as heterocyclics, which include tricyclic and tetracyclic antidepressants.

From Reuters

The drugs tested in those studies included Prozac, as well as older and now less-popular medications known as monoamine oxidase inhibitors and tricyclic and tetracyclic antidepressants.

From Reuters