Admixture vs Concoction - What's the difference?

As nouns the difference between admixture and concoction

is that admixture is an instance of admixing, a mixing-in of something while concoction is (obsolete) digestion (of food etc).

(en noun)

An instance of admixing, a mixing-in of something.

The admixture of vanilla extract in the dough improved the pastries' flavor.

# A mixing-in of a biologically or genetically differentiated group to an established stock.

A mixture, in some contexts

# (epilepsy) a mixture composed of entities retaining their individual properties.

Background EEG demonstrates an admixture of theta and delta waves.

(en noun)

(obsolete) Digestion (of food etc.).

*, New York Review of Books, 2001, p.260:

[Sorrow] hinders concoction , refrigerates the heart, takes away stomach, colour, and sleep; thickens the blood […].

The preparing of a medicine, food or other substance out of many ingredients.

A mixture prepared in such a way.

Something made-up, an invention.

(obsolete, figurative) The act of digesting in the mind; rumination.

(John Donne)

(obsolete, medicine) Abatement of a morbid process, such as fever, and return to a normal condition.

(obsolete) The act of perfecting or maturing.

(Francis Bacon)