beta particle vs particle

beta particle and particle both are nouns.

Word	Noun	Adjective	Verb	Adverb
beta particle	Yes	No	No	No
particle	Yes	No	No	No

As nouns, particle is a hypernym of beta particle; that is, particle is a word with a broader meaning than beta particle:

beta particle: a high-speed electron or positron emitted in the decay of a radioactive isotope
particle: a body having finite mass and internal structure but negligible dimensions

Other hypernyms of beta particle include subatomic particle.

beta particle (noun)	particle (noun)
a high-speed electron or positron emitted in the decay of a radioactive isotope	a function word that can be used in English to form phrasal verbs
	a body having finite mass and internal structure but negligible dimensions
	(nontechnical usage) a tiny piece of anything