[uh-mohn-yuh, uh-moh-nee-uh] 
| 1. | a colorless, pungent, suffocating, highly water-soluble, gaseous compound, NH3, usually produced by the direct combination of nitrogen and hydrogen gases: used chiefly for refrigeration and in the manufacture of commercial chemicals and laboratory reagents. |
| 2. | Also called ammonia solution, ammonia water, aqua ammoniae, aqua ammonia, aqueous ammonia. this gas dissolved in water; ammonium hydroxide. |
| ammonia water n. See ammonium hydroxide. |
| ammonium hydroxide n. A colorless, basic, aqueous solution of ammonia, NH4OH, used as a household cleanser and in the manufacture of a wide variety of products, including textiles, rayon, rubber, fertilizer, and plastic. Also called ammonia, ammonia water. |
ammonia am·mo·nia (ə-mōn'yə)
n.
A colorless, pungent gas used to manufacture a wide variety of nitrogen-containing organic and inorganic chemicals.
| ammonia (ə-mōn'yə) Pronunciation Key
A colorless alkaline gas that is lighter than air and has a strongly pungent odor. It is used as a fertilizer and refrigerant, in medicine, and in making dyes, textiles, plastics, and explosives. Chemical formula: NH3. |