Yttrium
a rare trivalent metallic element, found in gadolinite and other minerals. symbol: y; atomic weight: 88.905; atomic number: 39; specific gravity: 4.47.
historical examples
occult chemistry annie besant and charles w. leadbeater
occult chemistry annie besant and charles w. leadbeater
cooley’s practical receipts, volume ii arnold cooley
occult chemistry annie besant and charles w. leadbeater
the new gresham encyclopedia various
occult chemistry annie besant and charles w. leadbeater
cooley’s practical receipts, volume ii arnold cooley
noun
a silvery metallic element occurring in mon-z-te and gadolinite and used in various alloys, in lasers, and as a catalyst. symbol: y; atomic no: 39; atomic wt: 88.90585; valency: 3; relative density: 4.469; melting pt: 1522°c; boiling pt: 3338°c
yttrium
(ĭt’rē-əm)
symbol y
a silvery metallic element found in the same ores as elements of the lanthanide series. yttrium is used to strengthen magnesium and aluminum alloys, to provide the red color in color televisions, and as a component of various optical and electronic devices. atomic number 39; atomic weight 88.906; melting point 1,522°c; boiling point 3,338°c; specific gravity 4.45 (25°c); valence 3. see periodic table.
Read Also:
- Yttriferous
yielding or containing yttrium. adjective containing or yielding yttrium
- Yttrium-metal
any of a subgroup of rare-earth elements, of which the cerium and terbium metals comprise the other two subgroups. noun (chem) any one of a group of elements including yttrium and the related lanthanides, holmium, erbium, thulium, ytterbium, and lutetium
- Yttrium--oxide
a white, water-insoluble powder, y 2 o 3 , used chiefly in incandescent gas and acetylene mantles. noun a colourless or white insoluble solid used mainly in incandescent mantles. formula: y2o3 also called yttria noun another name for yttrium oxide
- Yttrotantalite
a mineral, tantalite and niobate of yttrium and various elements, as iron, and cerium, occurring in the form of brown-black crystals. historical examples a dictionary of arts, manufactures and mines andrew ure
- Yu-wei
(in philosophical taoism) action of an artificial or arbitrary kind.