All of us were losing mass, though we were not starving.

Instead of expanding, she simply lost mass, until she stood with too little substance to be visible.

The only way it could have lost momentum is by losing mass.

As the glaciers lose mass, the pressure of the ice is diminished.

It has been suggested that the Antarctic ice sheet is losing mass.

As a black hole gives off particles and radiation, it will lose mass.

In close binary star systems one of the stars can lose mass to a heavier companion.

Locally, that looked as though the mass-spewing one was losing mass.

After a certain age, people on Earth start to lose mass in their bones, typically at a rate of about 1-to-2 percent a year.

Seems our colonel isn't about to let his mirror lose mass.