질량이 · 질량을
mass (physics)
Example
질량은 장소가 바뀌어도 변하지 않습니다.
Mass does not change even when the location changes.
Word parts
질 substance+량 amount
Literally 'amount of substance'.
Good to know
Don't confuse with 무게 'weight', which changes with gravity; 질량 stays the same.
Related words