On-board purification Synonyms

We can't find synonyms for the phrase "On-board purification", but we have synonyms for terms, you can combine them.

On-board Synonyms

OP abbreviation

OP is an abbreviation for On-board Purification

What does OP stand for?

OP stands for "On-board Purification"

Definitions for Purification

(noun) the act or fact of freeing from sin or moral guilt
(noun) the act of cleaning by getting rid of impurities
(noun) the process of removing impurities (as from oil or metals or sugar etc.)