(organic chemistry) The ammonium salt of carbamic acid; it is used as a nitrogen fertilizer, and in the manufacture of urea

plural of ammonium phosphatide

(mineralogy) Describing minerals that contain ammonium cations

Resembling or characteristic of ammonia.

(mineralogy) A trigonal-ditrigonal pyramidal yellow mineral containing hydrogen, iron, nitrogen, oxygen, and sulfur.

(mineralogy) A trigonal-hexagonal scalenohedral mineral containing aluminum, hydrogen, nitrogen, oxygen, and sulfur.

(mineralogy) A tetragonal-dipyramidal white mineral containing aluminum, hydrogen, nitrogen, oxygen, potassium, and silicon.

(mineralogy) A monoclinic-prismatic white mineral containing boron, hydrogen, nitrogen, and oxygen.

gum ammoniac, a resin exuded from the stem of the perennial herb Dorema ammoniacum.

plural of ammonifier