Purification is the removal of impure elements from something. After purification, water is safe to drink. Most cities have a system of water purification, so people get clean fresh drinking water without any parasites or goldfish in it.

Purification is when things are cleaned and made pure. Salt water must undergo purification before it's safe to drink. Some filters do a purification of the air to reduce allergens. In some religions, purification is the removal of sin, which is another type of cleansing. For example, sumo wrestlers throw salt in the ring for purification, as part of the tradition of the Shinto religion.

Definitions of purification

n the act of cleaning by getting rid of impurities

Type of:
cleaning, cleansing, cleanup
the act of making something clean

n the process of removing impurities (as from oil or metals or sugar etc.)

refinement, refining
(chemistry) the process of refinement or purification of a substance by distillation
Type of:
preparing or putting through a prescribed procedure

n the act of purging of sin or guilt; moral or spiritual cleansing

purification through repentance”
Type of:
purgation, purge, purging
the act of clearing yourself (or another) from some stigma or charge

n a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites

Type of:
the proper or conventional behavior on some solemn occasion

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