The study of the atmosphere and the processes that produceweather and climate is. 11. The science of is the study of the universe. Formation of Earth 12. The hypothesis suggests that the bodiesof our solar system evolved from an enormous rotating cloudcalled the solar nebula.
Definition of selfâpurification. 1  1 : purification by natural process selfâpurification of water. 2  2 : purification of oneself.
The noun PURIFICATION has 4 senses: 1. the act of cleaning by getting rid of impurities. 2. the process of removing impurities (as from oil or metals or sugar etc.). 3. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites.4. the act of purging of sin or guilt; moral or spiritual cleansing. Familiarity information: PURIFICATION used as a noun is uncommon.. the process of removing impurities (as from oil or metals or sugar etc.). 3. a ceremonial cleansing from defilement or uncleanness by the performance of appropriate rites. 4. the act of purging of sin or guilt; moral or spiritual cleansing. Familiarity information: PURIFICATION used as a noun is uncommon.