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Kotomora

鈶

Thallium (element)

Strokes13

Readings

On'yomi

  • シ
  • イ
  • タイ

Kun'yomi

  • タリウム

Meaning

鈶 is a rare kanji that specifically names the chemical element thallium. It has no broader conceptual center beyond this single, technical meaning.

Study

Etymology

鈶 is a modern coined character for the element thallium, combining the metal radical 金 with the phonetic component 台 (タイ). The exact historical development is limited to this scientific naming context.

Meaning mnemonic

The metal radical 金 tells you it's a metallic element. The right side 台 (a platform) can remind you of the periodic table where thallium sits.

Reading mnemonic

For シ, imagine a scientist pointing at the thallium sample and saying 'See? シ!' The metal 金 is right there to see.