Mass means how much matter or stuff is inside an object. It tells us how heavy something is. Scientists use mass to compare objects.
The ball has a large mass.
This metal has much mass.
Mass can mean a big group or a lot of things together. It shows many things or people in one place as one whole.
A mass of people stood outside.
The mass of cars blocked the road.
Mass is a church ceremony in the Catholic religion. People gather to pray and listen to the priest. It is an important event for believers.
We go to Mass every Sunday.
The Mass started at nine o'clock.
Mass can mean a large solid piece of something. It is not shaped in a clear way but is a big chunk or lump.
She held a mass of clay.
There is a mass of ice here.
Mass here means the general public or large groups of people. It is often used in business and media to talk about wide audiences or markets.
The product is for the mass market.
Mass media affects many people.
Mass in physics also means how much an object resists movement or change in speed. More mass means it is harder to move.
Mass resists force in physics.
Higher mass means more inertia.
