Last Updated：2025/11/23

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(obsolete) radon

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niton

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Source Word

niton

Noun

obsolete uncountable

(obsolete) radon

Japanese Meaning

ラドン

What is this buttons?

Scientists in the early 20th century referred to the element as niton before the name radon became standard.

Google Translation / DeepL Translation

20世紀初頭、科学者たちはその元素をラドンと呼んでいましたが、その名前が定着する以前のことです。

Sense（1）

(obsolete) radon

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