noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
General-American:těknē'shēəm
General-American:-shəm
General-American:/tɛkˈni.ʃi.əm/
General-American:/-ʃəm/
General-American:Recorded audio is listed in the source snapshot.
General-American:Recorded audio is listed in the source snapshot.
1
noun
Meaning 1
A metallic chemical element (symbol Tc) with an atomic number of 43.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
a crystalline metallic element not found in nature; occurs as one of the fission products of uranium
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Tc, atomic number 43
Antonyms: none provided
Broader terms: metallic element, metal
History
Etymology
From Ancient Greek τεχνητός (tekhnētós, “artificial, manmade”) + -ium, because it was the first manmade element synthesized.
Across languages
Translations
70 source translations are retained for this English entry.
Afrikaans:
tegnesium
— chemical element
Albanian:
teknec
— chemical element
Arabic:
تِكْنِيتِيُوم
(tiknītiyūm)
— chemical element
Armenian:
տեխնեցիում
(texnecʻium)
— chemical element
Asturian:
tecneciu
— chemical element
Basque:
teknezioa
— chemical element
Belarusian:
тэхне́цый
(texnjécyj)
— chemical element
Breton:
teknetiom
— chemical element
Bulgarian:
техне́ций
(tehnécij)
— chemical element
Catalan:
tecneci
— chemical element
Chinese Mandarin:
鍀 /锝
(dé)
— chemical element
Chinese Mandarin:
鎝 /𨱏
(tǎ)
— chemical element
Cornish:
technytyum
— chemical element
Czech:
technecium
— chemical element
Danish:
technetium
— chemical element
Dutch:
technetium
— chemical element
Esperanto:
teknecio
— chemical element
Esperanto:
teĥnecio
— chemical element
Estonian:
tehneetsium
— chemical element
Faroese:
technetium
— chemical element
Finnish:
teknetium
— chemical element
French:
technétium
— chemical element
West-Frisian:
technetium
— chemical element
Friulian:
tecnezi
— chemical element
Galician:
tecnecio
— chemical element
Georgian:
ტექნეციუმი
(ṭekneciumi)
— chemical element
German:
Technetium
— chemical element
Greek:
τεχνήτιο
(technítio)
— chemical element
Hebrew:
טכנתיום
(tekhnétyum)
— chemical element
Hindi:
चेष्टातु
(ceṣṭātu)
— chemical element
Hungarian:
technécium
— chemical element
Icelandic:
teknetín
— chemical element
Interlingua:
technetium
— chemical element
Irish:
teicnéitiam
— chemical element
Italian:
tecnezio
— chemical element
Italian:
tecneto
— chemical element
Japanese:
テクネチウム
(tekunechiumu)
— chemical element
Kashubian:
technet
— chemical element
Kazakh:
технеций
(texnesii)
— chemical element
Korean:
테크네튬
(tekeunetyum)
— chemical element
Latvian:
tehnēcijs
— chemical element
Lithuanian:
technecis
— chemical element
Luxembourgish:
Technetium
— chemical element
Macedonian:
технециум
(tehnecium)
— chemical element
Malay:
teknetium
— chemical element
Maltese:
teknezju
— chemical element
Manx:
çheghnaiçhum
— chemical element
Mongolian:
технеци
(texneci)
— chemical element
Norwegian:
technetium
— chemical element
Occitan:
tecnèci
— chemical element
Polish:
technet
— chemical element
Portuguese:
tecnécio
— chemical element
Romanian:
technețiu
— chemical element
Russian:
техне́ций
(texnécij)
— chemical element
Scottish Gaelic:
teicnèitiam
— chemical element
Serbo-Croatian:
технициjум
— chemical element
Serbo-Croatian:
tehnicijum
— chemical element
Slovak:
technécium
— chemical element
Slovene:
tehnecij
— chemical element
Spanish:
tecnecio
— chemical element
Swedish:
teknetium
— chemical element
Tagalog:
teknesyo
— chemical element
Tajik:
tehneci'
— chemical element
Tamil:
பசகன்
(pacakaṉ)
— chemical element
Thai:
เทคนีเชียม
(ték-nii-chîiam)
— chemical element
Turkish:
teknetyum
— chemical element
Ukrainian:
техне́цій
(texnécij)
— chemical element
