technetium

T1E1C3H4N1E1T1I1U1M3
US/tɛkˈni.ʃi.əm/US/-ʃəm/

noun

A metallic chemical element (symbol Tc) with an atomic number of 43.

Similar
eka-manganeseekamanganesemasuriumTcatomic number 43
OriginAncient Greek τεχνητός (tekhnētós) ← Proto-Indo-European *téḱ-sneh₂ →
UncommonScrabble 17
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Meanings

nountechnetium (uncountable)
  1. uncountableA metallic chemical element (symbol Tc) with an atomic number of 43.

    Synonyms: eka-manganese, ekamanganese, masurium

Synonyms & antonyms

nounA metallic chemical element (symbol Tc) with an atomic number of 43.

Similar
eka-manganeseekamanganesemasurium

More synonyms by meaning

nouna crystalline metallic element not found in nature; occurs as one of the fission products of uranium

Similar
Tcatomic number 43
Broader
metallic elementmetal

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*teḱ-
  2. Proto-Indo-European*tetḱ-
  3. Proto-Indo-European*téḱ-sneh₂
  4. Ancient Greekτέχνη (tékhnē)
  5. Ancient Greekτεχνητός (tekhnētós)
  6. Englishtechnetium

From Ancient Greek τεχνητός (tekhnētós, “artificial, manmade”) + -ium, because it was the first manmade element synthesized.

Full word history & related roots →

Translations

Afrikaans tegnesium
  • tegnesiumchemical element
Arabic تِكْنِيتِيُوم
  • تِكْنِيتِيُوم (tiknītiyūm)chemical element
Basque teknezioa
  • teknezioachemical element
Bulgarian техне́ций
  • техне́ций (tehnécij)chemical element
Catalan tecneci
  • tecnecichemical element
Chinese Mandarin 鍀 /锝, 鎝 /𨱏
  • 鍀 /锝 (dé)chemical element
  • 鎝 /𨱏 (tǎ)chemical element
Czech technecium
  • techneciumchemical element
Danish technetium
  • technetiumchemical element
Dutch technetium
  • technetiumchemical element
Esperanto teknecio, teĥnecio
  • tekneciochemical element
  • teĥneciochemical element
Estonian tehneetsium
  • tehneetsiumchemical element
Finnish teknetium
  • teknetiumchemical element
French technétium
  • technétiumchemical element
German Technetium
  • Technetiumchemical element
Greek τεχνήτιο
  • τεχνήτιο (technítio)chemical element
Hebrew טכנתיום
  • טכנתיום (tekhnétyum)chemical element
Hindi चेष्टातु
  • चेष्टातु (ceṣṭātu)chemical element
Hungarian technécium
  • technéciumchemical element
Icelandic teknetín
  • teknetínchemical element
Irish teicnéitiam
  • teicnéitiamchemical element
Italian tecnezio, tecneto
  • tecneziochemical element
  • tecnetochemical element
Japanese テクネチウム
  • テクネチウム (tekunechiumu)chemical element
Korean 테크네튬
  • 테크네튬 (tekeunetyum)chemical element
Latvian tehnēcijs
  • tehnēcijschemical element
Lithuanian technecis
  • technecischemical element
Malay teknetium
  • teknetiumchemical element
Norwegian technetium
  • technetiumchemical element
Polish technet
  • technetchemical element
Portuguese tecnécio
  • tecnéciochemical element
Romanian technețiu
  • technețiuchemical element
Russian техне́ций
  • техне́ций (texnécij)chemical element
Scottish Gaelic teicnèitiam
  • teicnèitiamchemical element
Slovak technécium
  • technéciumchemical element
Spanish tecnecio
  • tecneciochemical element
Swedish teknetium
  • teknetiumchemical element
Tagalog teknesyo
  • teknesyochemical element
Tamil பசகன்
  • பசகன் (pacakaṉ)chemical element
Thai เทคนีเชียม
  • เทคนีเชียม (ték-nii-chîiam)chemical element
Turkish teknetyum
  • teknetyumchemical element
Ukrainian техне́цій
  • техне́цій (texnécij)chemical element
Vietnamese tecnexi
  • tecnexichemical element
Welsh technetiwm
  • technetiwmchemical element
Cite this entry
APA

technetium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/technetium

MLA

“technetium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/technetium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “technetium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/technetium.

Source: technetium on Wiktionary, CC BY-SA 4.0.