Wiktionary
fundamental particle
n. (context physics English) any of the subatomic particles that does not consist of other, smaller particles; the gauge bosons, leptons and quarks
WordNet
fundamental particle
n. a particle that is less complex than an atom; regarded as constituents of all matter [syn: elementary particle, subatomic particle]
Usage examples of "fundamental particle".
The properties of a fundamental particle would be determined by measurements that can be made on it only in the future.
Just the values of the fundamental particle fields, just a handful of numbers.
When Haertel proved that there is only one fundamental particle, that in effect closed the book.
It might have been as small as the fundamental particle, whatever that might turn out to be.