catenane

== English == === Etymology === From Latin catena (“a chain”). === Noun === catenane (plural catenanes) (organic chemistry) Any compound, especially a hydrocarbon, having two or more rings interconnected like the links of a chain, without a covalent bond. ==== Usage notes ==== The number of rings in the compound is shown by preceding the name with a number in square brackets e.g. [3]catenane. ==== Derived terms ==== === See also === catena compound