What is another word for foreign substance?
Pronunciation: [fˈɒɹən sˈʌbstəns] (IPA) 
A foreign substance is any material or particle that is not native to a particular environment or living organism. There are several synonyms for the term foreign substance, which include alien matter, extraneous matter, external agents, non-native substances, and unfamiliar compounds. These terms can be used interchangeably to refer to any substance that does not belong to a specific location or organism. In medical terms, the foreign substance refers to any material that enters the body and causes an immune response resulting in inflammation or allergy. It is essential to identify the foreign substance and remove it to prevent further damage. Therefore, knowing the synonyms for the term foreign substance is vital in the medical field.
