Point masses are bodies that can be treated for the purposes of analysis as being a certain amount of matter (a mass) concentrated at a single point.

Once the horse was lying on its side, Rarey could use his weight, concentrated at a strategic point, to keep the horse from rising.

(The mass is all concentrated at a point in the middle.)

In mathematics, in the theory of algebraic curves, a delta invariant measures the number of double points concentrated at a point.

Manoeuvre is similar to mass except that mass is concentrated at a particular point.

The Arkonides' fire hit squarely on the screen, concentrating at a single point in an effort to break through But it was already too late for that.

It involved massing all available batteries into a single large, temporary one, and concentrating the firepower of their guns at a single point in the enemy's lines.

I wonder why they keep clustered around the entrance instead of concentrating at a still closer point in the transparent wall.

Think of the mass being concentrated at a point in the center of the earth.

I waited until he raised his bow, then concentrated an intense beam of energy at a point a few inches in front of his bow.