density

As a noun density

is (physics) a measure of the amount of matter contained by a given volume.

As an acronym pet is

(organic compound) polyethylene terephthalate.

As nouns the difference between density and lactodensimeter

is that density is (physics) a measure of the amount of matter contained by a given volume while lactodensimeter is a form of hydrometer for finding the density of milk, and thus discovering whether it has been mixed with water or had some of the cream removed.

As nouns the difference between density and densifier

is that density is (physics) a measure of the amount of matter contained by a given volume while densifier is any machine or substance that increases the density of a material.

As nouns the difference between density and densimetry

is that density is (physics) a measure of the amount of matter contained by a given volume while densimetry is (physics) the measurement of density by means of a densimeter.

As nouns the difference between density and cabbeling

is that density is (physics) a measure of the amount of matter contained by a given volume while cabbeling is (physics) the effect of increased density, over the calculated average density, on mixing two masses of water with differing temperatures and salinities.

As nouns the difference between density and vortensity

is that density is (physics) a measure of the amount of matter contained by a given volume while vortensity is (physics) the ratio of vorticity to density of a rotating fluid.

As nouns the difference between density and supercalender

is that density is (physics: amount of matter contained by a given volume) A measure of the amount of matter contained by a given volume while supercalender is a stack of calenders consisting of alternating steel and fiber-covered rolls through which paper is passed to increase its density, smoothness and gloss.

As a verb supercalender is

to pass (paper) through a supercalender.

As nouns the difference between density and photodifference

is that density is (physics) a measure of the amount of matter contained by a given volume while photodifference is (crystallography) used attributively to describe a map of the electron density differencies between parts of a sample that had been irradiated.

As a noun density

is (physics) a measure of the amount of matter contained by a given volume.

As an adjective pycnonuclear is

(physics) describing nuclear reactions caused by the density of the reactants.

As nouns the difference between density and piezotropy

is that density is (physics) a measure of the amount of matter contained by a given volume while piezotropy is (physics) the state of a fluid in which there is a thermodynamic relationship between pressure and density.