Last Updated：2025/11/20

(physics) An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures

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thermion

Source Word

thermion

Noun

(physics) An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures

Japanese Meaning

高温の導体から放出される、電荷を帯びた粒子（電子またはイオン）

When the filament was heated, each thermion leaving the metal contributed to the tube's current.

フィラメントが加熱されると、金属から熱的に放出される各帯電粒子が真空管の電流に寄与した。

Sense（1）

(physics) An electrically charged particle, either an electron or an ion, emitted by a conducting material at high temperatures

thermions

（ plural ）