7-letter words ending in IUM

7-letter words 36

• stadiuma large structure for open-air sports or entertainments
• uraniuma heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
• premiumpayment for insurance
• calciuma white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
• lithiuma soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
• craniumthe part of the skull that encloses the brain
• iridiuma heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
• cadmiuma soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
• thoriuma 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
• caesiuma soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal
• galliuma rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores
• tritiuma radioactive isotope of hydrogen; atoms of tritium have three times the mass of ordinary hydrogen atoms
• rhodiuma white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum
• trivium(Middle Ages) an introductory curriculum at a medieval university involving grammar and logic and rhetoric; considered to be a triple way to eloquence
• hafniuma grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
• yttriuma silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys
• niobiuma soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium
• natrium
• rheniuma rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys; is obtained as a by-product in refining molybdenum
• fermiuma radioactive transuranic metallic element produced by bombarding plutonium with neutrons
• cambiuma formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth
• palliumthe layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum
• thuliuma soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
• holmiuma trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
• ischiumone of the three sections of the hipbone; situated below the ilium
• terbiuma metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
• alodium
• eluvium
• exuvium
• hahniuma transuranic element
• muonium
• protiumgenus of chiefly tropical American trees having fragrant wood and yielding gum elemi
• stibium
• uredium
• zoarium
• zoecium