As verbs the difference between colour and desaturate

is that colour is to give something colour while desaturate is to lessen saturation.

As a noun colour

is the spectral composition of visible light.

As an adjective colour

is conveying colour, as opposed to shades of grey.

As a noun saturation

is the act of saturating or the process of being saturated.

As a verb desaturate is

to lessen saturation.

As a noun oxygen

is a chemical element (symbol o) with an atomic number of 8 and relative atomic mass of 159994.

As a verb desaturate is

(of a colour) to lessen saturation.

As a noun hemoglobin

is the iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin''), and ''haem (a porphyrin ring with an atom of iron at its centre).

As a verb desaturate is

(of a colour) to lessen saturation.

As verbs the difference between decrease and desaturate

is that decrease is of a quantity, to become smaller while desaturate is to lessen saturation.

As a noun decrease

is an amount by which a quantity is decreased.

As verbs the difference between drop and desaturate

is that drop is to fall in droplets (of a liquid) while desaturate is (of a colour) to lessen saturation.

As a noun drop

is a small mass of liquid just large enough to hold its own weight via surface tension, usually one that falls from a source of liquid.

As a noun hour

is a time period of sixty minutes; one twenty-fourth of a day.

As an adjective horal is

of or relating to an hour, or to hours.

As nouns the difference between physical and psionics

is that physical is physical examination while psionics is (science fiction) mental powers that affect physical matter, such as telekinesis.

As an adjective physical

is having to do with the body.

As nouns the difference between matter and psionics

is that matter is while psionics is (science fiction) mental powers that affect physical matter, such as telekinesis.

As nouns the difference between target and stereotaxy

is that target is a butt or mark to shoot at, as for practice, or to test the accuracy of a firearm, or the force of a projectile while stereotaxy is (medicine) stereotaxic surgery: surgery that uses a three-dimensional coordinate system to locate small targets inside the body.

As a verb target

is to aim something, especially a weapon, at (a target).