7-Letter Words Containing: RIUM

• a colony of zooids.

• a successful ending of a struggle or contest

• the exultation of victory

• prove superior

• be ecstatic with joy

• dwell on with satisfaction

• to express great joy

• a transuranic element with atomic number 107

• a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands

• a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

• a soft silvery metallic element of the alkali earth group; found in barite

• a ductile grey metallic element of the lanthanide series; used in lighter flints; the most abundant of the rare-earth group

• a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei

• A central room or space in ancient Roman homes, open to the sky in the middle; a similar space in other buildings.

• A square hall lit by daylight from above, into which rooms open at one or more levels.

• A cavity, entrance, or passage.

• Any enclosed sexine and nexine layers, widening toward the interior of the grain.