1884
: a principle in classical physics: the total mass of any isolated material system is neither increased nor diminished by reactions between the parts ― called also conservation of matter
1884
: a principle in classical physics: the total mass of any isolated material system is neither increased nor diminished by reactions between the parts ― called also conservation of matter
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012