塵

1. noun, usually in kana rubbish; trash; garbage; refuse; litter

ちり

1. noun dust; small debris (e.g. dirt, crumbs)
2. trash; garbage; rubbish
3. usu. as ～ほども...ない negligible amount; tiny bit
4. hustle and bustle (of life); worldly cares; impurities of the world
5. abbreviation, sumo ritual gestures indicating that a fight will be clean

じん

1. noun, Buddhism defilement; impurity; affliction
2. object (perceived with the mind or the senses)
3. numeral one billionth