Last Updated：2025/11/19

(physics) The antimatter equivalent of an electron, having the same mass but a positive charge

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positron

Source Word

positron

IPA(Pronunciation)

(physics) The antimatter equivalent of an electron, having the same mass but a positive charge

Japanese Meaning

反電子。電子の反物質で、電子と同じ質量を有し、正の電荷を帯びた粒子。

The positron emitted from the radioactive source annihilated with an electron, releasing two gamma-ray photons.

放射性源から放出された陽電子は電子と消滅し、2つのガンマ線光子を放出した。

Sense（1）

(physics) The antimatter equivalent of an electron, having the same mass but a positive charge

The notion of a positron weapon remains the stuff of science fiction.

positrons

（ plural ）