Activated charcoal traps impurities in water including solvents, pesticides, industrial waste and other chemicals. This is why itâs used in water filtration systems throughout the world. However, it doesnât trap viruses, bacteria and hard-water minerals.
A proper noun or proper name is a noun representing unique entities (such as India, Jupiter, Harry, or BMW), as distinguished from common nouns which describe a class of entities (such as city, animal, planet, person or car).
Definitions for proper adjective. proper adjective(Noun) An adjective derived from a proper noun, such as British derived from Britain. Proper adjective. In English orthography, the term proper adjective is sometimes applied to adjectives that take initial capital letters, and the term common adjective to those that do not.