particle

definition: a function word that can be used in English to form phrasal verbs
example:
speech part: noun
synonyms:
definition: a body having finite mass and internal structure but negligible dimensions
example:
speech part: noun
synonyms: subatomic particle
definition: in nontechnical usage, a tiny piece of anything
example: There wasn't a particle of food left after the party.
speech part: noun
synonyms: speck

particle is explained and pronounced

How particle is being used?