English Dictionary

tungsten

/ˈtʌŋstən/

noun

A rare metallic chemical element (symbol W, from Latin wolframium) with an atomic number of 74. / A light bulb containing tungsten. / (mineralogy, obsolete) scheelite, calcium tungstate

Tungsten is used in the production of light bulb filaments.

意味（1）

A rare metallic chemical element (symbol W, from Latin wolframium) with an atomic number of 74.

So far they have built and used a prototype robot to make millionth-of-a-meter scratches in aluminum with a fine tungsten needle.

意味（2）

A light bulb containing tungsten.

We have several business houses where tungstens are used as window lights only, and find that in nearly every one the wiring was arranged to get more light, leaving the consumption about the same.

意味（3）

(mineralogy, obsolete) scheelite, calcium tungstate

We apprehend that this is not the acid of a calx ponderoſa, but rather a diſtinct acid conjoined to common calcareous earth, ſince, in fact, in another place, § 97, the tungſten is mentioned as a calx ſaturated with a peculiar acid, perhaps of a metallic nature, for which the author himſelf refers us to the above § 33, and ſeems to think it the ſame as the acid there mentioned.