Definition of barium :
One of the elements, belonging to the alkaline earth group; a metal having a silver- white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight, 137. Symbol, Ba. Its oxide called baryta.
atomic number 56, BA
element (part of speech: noun)
fermium, iridium, copper, zinc, neon, arsenic, cerium, argon, bismuth, silver, polonium, bromine, promethium, platinum, antimony, radium, americium, chromium, sulfur, mendelevium, tellurium, calcium, europium, curium, technetium, praseodymium, magnesium, chlorine, fluorine, gold, nickel, oxygen, lithium, thallium, palladium, mercury, carbon, rhodium, xenon, beryllium, dysprosium, thulium, ruthenium, lutetium, germanium, nitrogen, manganese, molybdenum, krypton, uranium, phosphorus, tin, cadmium, terbium, cesium, lanthanum, niobium, hydrogen, scandium, potassium, rubidium, thorium, holmium, osmium, strontium, indium, iodine, neptunium, hafnium, helium, vanadium, sodium, boron, neodymium, rhenium, ytterbium, element, gallium, californium, nobelium, plutonium, titanium, einsteinium, lead, gadolinium, iron, cobalt, selenium, aluminum, yttrium, tungsten, silicon, astatine, actinium, tantalum, francium, berkelium, radon, zirconium, samarium, erbium, protactinium
metal (part of speech: noun)
- Radium is a metallic element chemically resembling barium. - "The Birth-Time of the World and Other Scientific Essays", J. (John) Joly.
- The chromosphere consists chiefly of glowing hydrogen, and an element called helium, which has been recently discovered in a terrestrial substance called cleveite; there are also present the vapours of iron, calcium, cerium, titanium, barium, and magnesium. - "The Astronomy of Milton's 'Paradise Lost'", Thomas Orchard.
- Barium colors the flame apple- green. - "The Elements of Blowpipe Analysis", Frederick Hutton Getman.