The fruit is spherical, 4 to 5 centimeters in diameter, and covered in prickles of variable density, up to 1 centimeter long but without hooks.

A rigorous proof for masses with variable density was first given by Carl Friedrich Gauss in 1839.

The variable density is normally described in kg per m3, where regular concrete is 2400 kg/m3.

They have a constant light yellow-brown dorsal color with a variable density of dark specks.

By using interchangeable elastomers with variable densities the suspension saddle can be tuned to the rider's weight and riding style.

A minority, however, did allow for particles of variable density.

Refraction for over-the-horizon radar uses variable density in the air column above the surface of the earth to bend RF signals.

Obeying a Galilean principle on the variable density of fluids, the disks descend as the temperature rises, and vice versa.

About a dozen decorative weaves of variable density are available.

You're about to have variable density.