noun🔗Shareμ子,渺子 An unstable elementary particle in the lepton family, having similar properties to the electron but with a mass 207 times greater."Scientists studying cosmic rays detected a muon, a heavier cousin of the electron, in their particle detector. "科学家们在研究宇宙射线时,在他们的粒子探测器中探测到了一个μ子 (miǎo zǐ),它是一种比电子重得多的“表亲”。physicselementChat with AIVocabulary GamePractice Reading