Demesne and Mechanical energy

Demesne noun - A part or portion having no fixed boundaries.

Mechanical energy and demesne are semantically related. In some cases you can use "Mechanical energy" instead a noun "Demesne".

Mechanical energy noun - Energy in a mechanical form.

Demesne and mechanical energy are semantically related. Sometimes you can use "Demesne" instead a noun phrase "Mechanical energy".