rhenium

Definition

A metallic chemical element (symbol Re) with an atomic number of 75: a heavy, silvery-gray transition metal.

Etymology

From Latin Rhenus (“Rhine”), + -ium.

Example Sentences

• "Before the discovery and confirmation of the existence of rhenium predicted by Mendeleev's periodic law, rhenium was provisionally termed dvi-manganese because of its expected resemblance to manganese."