technetium

tech·ne·ti·um

T t

Transcription

- US Pronunciation
- US IPA
- [tek-nee-shee-uh m, -shuh m]
- /tɛkˈni ʃi əm, -ʃəm/

- US Pronunciation
- US IPA
- [tek-nee-shee-uh m, -shuh m]
- /tɛkˈni ʃi əm, -ʃəm/

Definitions of technetium word

noun technetium Chemistry. an element of the manganese family, not found in nature, but obtained in the fission of uranium or by the bombardment of molybdenum. Symbol: Tc; atomic weight: 99; atomic number: 43; specific gravity: 11.5. 1
noun technetium atomic element 1
noun technetium a silvery-grey metallic element, artificially produced by bombardment of molybdenum by deuterons: used to inhibit corrosion in steel. The radioisotope technetium-99m, with a half-life of six hours, is used in radiotherapy. Symbol: Tc; atomic no: 43; half-life of most stable isotope, 97Tc: 2.6 × 106 years; valency: 0, 2, 4, 5, 6, or 7; relative density: 11.50 (calculated); melting pt: 2204°C; boiling pt: 4265°C 0
noun technetium a silver-gray, metallic chemical element obtained by the irradiation of molybdenum with deuterons and in the fission of uranium: it does not exist in nature and all its isotopes are radioactive: it is a superconductor, an inhibitor of metal corrosion, and a medical tracer: symbol, Tc; at. no., 43 0

See all 4 definitions of technetium

Information block about the term

Origin of technetium

First appearance:

before 1945

One of the 6% newest English words

1945-50; < Greek technēt(ós) artificial (literally, made, verbid of technâsthai; see techno-) + -ium

Historical Comparancy

Parts of speech for Technetium

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Technetium

technetium popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 61% of English native speakers know the meaning and use word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

technetium usage trend in Literature

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