tungsten

American  

[tuhng-stuhn] / ˈtʌŋ stən /

noun

Chemistry.

1. a rare, metallic element having a bright-gray color, a metallic luster, and a high melting point, 3410° C, and found in wolframite, tungstite, and other minerals: used in alloys of high-speed cutting tools, electric-lamp filaments, etc. W; 183.85; 74; 19.3.

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tungsten British  

/ ˈtʌŋstən /

noun

1. Also called: wolfram.  a hard malleable ductile greyish-white element. It occurs principally in wolframite and scheelite and is used in lamp filaments, electrical contact points, X-ray targets, and, alloyed with steel, in high-speed cutting tools. Symbol: W; atomic no: 74; atomic wt: 183.85; valency: 2–6; relative density: 19.3; melting pt: 3422±20°C; boiling pt: 5555°C

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tungsten Scientific  

/ tŭng′stən /

1. A hard, gray to white metallic element that is very resistant to corrosion. It has the highest melting point of all elements, and it retains its strength at high temperatures. It is used to make light-bulb filaments and to increase the hardness and strength of steel. Atomic number 74; atomic weight 183.84; melting point 3,410°C; boiling point 5,900°C; specific gravity 19.3 (20°C); valence 2, 3, 4, 5, 6.

2. Also called wolfram

3. See Periodic Table

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Other Word Forms

• tungstenic adjective

Etymology

Origin of tungsten

1760–70; < Swedish, equivalent to tung heavy + sten stone

Example Sentences

From a manufacturing perspective, two of the materials used in the device, tungsten and hafnium oxide, are already widely used in semiconductor production.

From Science Daily • Apr. 7, 2026

Its interaction with tungsten is, as Yang described it, similar to oil and water.

From Science Daily • Apr. 7, 2026

You cannot algorithmically reduce the amount of tungsten in a penetrator round.

From MarketWatch • Apr. 6, 2026

The rise in prices of tungsten, a key component in electronics and aerospace, since February 2025.

From Barron's • Mar. 21, 2026

They had fenced off the parallel faces of each dee with a grid of fine tungsten wires to prevent the electrical field from impinging within the dees while allowing the particle beam to pass through.

From "Big Science" by Michael Hiltzik