muon
UK[ˈmjuːɒn]US[ˈmjuːɑːn]
n
An unstable subatomic particle of the same class as an electron, but with a mass around 200 times greater.
Morpheme Breakdown
mu
on
mu
Greek letter
on
suffix for subatomic particle
Etymology
The word 'muon' is a modern scientific coinage, created in the mid-20th century following the particle's discovery. It is formed by combining the name of the Greek letter 'mu' (μ), used to distinguish it from other particles like the pion, with the productive suffix '-on', which denotes fundamental particles. This naming follows a logical pattern established in physics, where particles such as the electron, proton, and neutron also employ this suffix. The term thus directly reflects its identity within the classification system of particle physics, with 'mu' serving as a specific label and '-on' indicating its categorical nature.
Analysis
Structure: mu (Greek letter) + on (suffix for subatomic particle)
- mu: From the Greek letter μ (mu), used as a symbol in physics. Its role is to denote the specific particle series.
- on: A suffix of Greek origin (via terms like 'ion' and 'electron'), used in modern physics to form names of elementary particles or quanta. Its role is to classify the word as a subatomic particle.
Examples
The muon is often produced in the decay of a pion.
Scientists use detectors to measure the flux of cosmic ray muons.
Due to its greater mass, a muon interacts differently with matter than an electron does.