Giant radio galaxies are some of the largest structures in the universe.

The hydraulic radii of the rivers in this region vary greatly.

The police officers used radar guns to catch speeding drivers.

The police set up radar traps to catch speeding drivers.

The jellyfish has several radial canals.

The engineers installed several radial gates to control the water flow.

I have two radial arm saws in my workshop.

The radial nerves control the movement and sensation of the arm.

The radial veins in his arm were clearly visible.

The starfish has five radial shields.