What is another word for conservation of mass?
Pronunciation: [kˌɒnsəvˈe͡ɪʃən ɒv mˈas] (IPA) 
Synonyms for the term "conservation of mass" refer to the fundamental principle of physics that states that the total mass of a closed system remains constant over time. This law is also known as the law of mass conservation or the principle of mass conservation. Other synonyms for it include the principle of mass preservation, the doctrine of mass preservation, and the precept of mass preservation. The conservation of mass is a critical concept in the fields of chemistry, physics, and engineering as it forms the foundation for numerous theories and laws in these disciplines, including the law of energy conservation and the law of thermodynamics.
