# technetium

> English word · Noun · IPA /tɛkˈni.ʃi.əm/ · frequency rank #88,915

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

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/technetium