See Also: ruthenium red(medicine)
ruthenium(medicine)
ruthenium(dictionary)
ruthenium compounds(medicine)
ruthenium radioisotopes(medicine)

anhedonia (iou) and ruthenium (medicine)


anhedonia (iou)



anhedonia noun. L19.
[French anhedonie, from Greek AN-5 + hedone pleasure: see -IA1.]
Psychiatry. Inability to feel pleasure.
anhedonic adjective having little or no capacity to feel pleasure M20.

ruthenium (medicine)


ruthenium
<chemistry, element> A rare element of the light platinum group, found associated with platinum ores, and isolated as a hard, brittle steel-gray metal which is very infusible. Specific gravity 12.26. See Platinum metals, under Platinum.

Atomic weight: 103.5

Abbreviation: Ru

Origin: NL. So named from the Ruthenians, a Little Russian people, as coming from Russia, the metal having been found in the Ural mountains.