Meson is a positively or negatively charged subatomic particle of very short life age with a mass about 200 times greater than the one of electron. It is produced artificially in particle accelerators.
Citing this page:
Generalic, Eni. "Meson." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.