(chemistry) Containing ruthenium.

An obsolete unit of radioactivity (symbol: rd), defined as the activity of a quantity of radioactive material in which one million nuclei decay per second.

A Scottish habitational surname from Old English from a place where there was once a settlement in the Scottish borders. / (rare) A male given name transferred from the surname.

The territory between Central and Eastern Europe inhabited by Rusyns, on the slopes of the Carpathian Mountains in parts of Ukraine, Poland and Slovakia.

(inorganic chemistry) The oxyanion of ruthenium RuO₄²⁻; any salt or mineral containing this anion, formally derived from ruthenic acid

plural of ruthenate

Of, pertaining to, or in the style of any of various persons and institutions named Rutherford.

(organic chemistry) Any cyclic organometallic compound of ruthenium

plural of ruthenacycle

(inorganic chemistry) Any of a class of cuprates of ruthenium, especially those that have superconducting or magnetoresistive properties