rdul phra rab

རྡུལ་ཕྲ་རབ
subatomic particle [RB]

ultimately small form [r] innumerable, minute particle, [most subtle] atoms, smallest/ finest particle [IW]

innumerable, minute particle, most subtle atoms, smallest/ finest particle, atom, ['dod khams su rdul rdzas brgyad 'dus kyi gong bu, bye brag smra ba sogs kyis phyogs kyi cha shas med pas cha med kyi rdul rdzas zhes su 'dod do] [IW]

the most subtle particle [RY]

most subtle particle [thd]

atoms, minute particle, indivisible particle, minute particles of matter [JV]

atom, innumerable, minute particle, most subtle atoms, smallest / finest particle, indivisible atomic particles; [Syn. rdul cha med, phra rdul [RY]

atoms, minute particle, indivisible particle, minute particles of matter, atomic particles [JV]

Atoms DKC

extremely subtle particles, subatomic particles [Erick Tsiknopoulos]

Discussion

In the system of the Treasury of Manifest Knowledge, the smallest possible, indivisible particle of matter. It is so small that it cannot be perceived by the sense faculties except in combination with other atoms. Compare with molecule (rdul phran). DKC