oxepine

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Noun === oxepine (plural oxepines) (organic chemistry) An unsaturated seven-membered heterocycle having six carbon atoms, one oxygen atom and three double bonds ==== Usage notes ==== The analogous compounds with two, and one double bonds are termed tetrahydro- and dihydro- oxepines. The analogous saturated compound is oxepane ==== Derived terms ====