The definition of a particle is a very small amount of something.(noun)
An example of a particle is a speck of dust.
See particle in Webster's New World College Dictionary
Origin: ME partycle < MFr particule < L particula, dim. of pars, part
See particle in American Heritage Dictionary 4
Origin: Middle English
Origin: , from Latin particula
Origin: , diminutive of pars, part-, part; see part.
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