tungsten, wolfram, atomic number
(noun) a heavy grey-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite
Source: WordNet® 3.1
tungsten (countable and uncountable, plural tungstens)
A rare metallic chemical element (symbol W, from Latin wolframium) with an atomic number of 74.
A light bulb containing tungsten.
(mineral, obsolete) scheelite, calcium tungstate
• wolfram
Source: Wiktionary
Tung"sten n. Etym: [Sw. tungsten (cf. Dan. tungsteen, G. tungstein); tung heavy (akin to Dan. tung, Icel. Ăľungr) + sten stone. See Stone.]
1. (Chem.)
Definition: A rare element of the chromium group found in certain minerals, as wolfram and scheelite, and isolated as a heavy steel-gray metal which is very hard and infusible. It has both acid and basic properties. When alloyed in small quantities with steel, it greatly increases its hardness. Symbol W (Wolframium). Atomic weight, 183.6. Specific gravity, 18.
2 (Min.)
Definition: Scheelite, or calcium tungstate. [Obs.] Tungsten ocher, or Tungstic ocher (Min.), tungstate.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 November 2024
(noun) asceticism as a form of religious life; usually conducted in a community under a common rule and characterized by celibacy and poverty and obedience
Coffee dates back to the 9th century. Goat herders in Ethiopia noticed their goats seem to be “dancing” after eating berries from a particular shrub. They reported it to the local monastery, and a monk made a drink out of it. The monk found out he felt energized and kept him awake at night. That’s how the first coffee drink was born.
