Fe and Metallic element

Fe noun - A heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood.

Metallic element and fe are semantically related. In some cases you can use "Metallic element" instead a noun "Fe".

Metallic element noun - Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc..

Fe and metallic element are semantically related. Sometimes you can replace term "Fe" with "Metallic element", this terms are similar.