- resolidified glass melt
- затвердевший радиоактивный расплав
English-Russian small dictionary of medicine. 2015.
English-Russian small dictionary of medicine. 2015.
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium