| ammoniacal urine | <nephrology> Excretion of urine that contains an excessive amount of ammonia. Synonym: ammoniacal urine. Origin: ammonia + G. Ouron, urine (05 Mar 2000) |
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| ammoniated | <chemistry> Combined or impregnated with ammonia. Source: Websters Dictionary (01 Mar 1998) |
| ammoniated mercuric chloride | Used in ointment for the treatment of skin diseases. Synonym: ammoniated mercuric chloride, white mercuric precipitate. (05 Mar 2000) |
| ammoniated mercury | Used in ointment for the treatment of skin diseases. Synonym: ammoniated mercuric chloride, white mercuric precipitate. (05 Mar 2000) |
| ammoniated tincture | A tincture made with ammoniated alcohol. (05 Mar 2000) |
| ammonio- | Combining form indicating an ammonium group; e.g., trimethylammonioethanol (choline). (05 Mar 2000) |
| ammonite | <paleontology> A fossil cephalopod shell related to the nautilus. There are many genera and species, and all are extinct, the typical forms having existed only in the Mesozoic age, when they were exceedingly numerous. They differ from the nautili in having the margins of the septa very much lobed or plaited, and the siphuncle dorsal. Origin: L. Cornu Ammonis born of Ammon; L. Ammon, Gr. An appellation of Jupiter, as represented with the horns of a ram. It was originally the name of an. Egyptian god, Amun. Synonym: serpent stone, snake stone, and cornu Ammonis. Source: Websters Dictionary (01 Mar 1998) |
| ammonitiferous | Containing fossil ammonites. Origin: Ammonite. Source: Websters Dictionary (01 Mar 1998) |
| ammonitoidea | <zoology> An extensive group of fossil cephalopods often very abundant in Mesozoic rocks. See Ammonite. Origin: NL, fr. Ammonite. Source: Websters Dictionary (01 Mar 1998) |
| ammonium | <chemistry> A compound radical, NH4, having the chemical relations of a strongly basic element like the alkali metals. See: Ammonia. Source: Websters Dictionary (01 Mar 1998) |
| ammonium benzoate | C6H5COONH4;a stimulant, diuretic, urinary antiseptic, and antirheumatic. (05 Mar 2000) |
| ammonium bromide | A sedative. (05 Mar 2000) |
| ammonium carbonate | A cardiac and respiratory stimulant and carminative expectorant. (05 Mar 2000) |
| ammonium chloride | <chemical> Ammonium chloride, (nh4)cl. A systemic acidifying agent that has been used as a diuretic and an expectorant. Chemical name: Ammonium chloride ((NH4)Cl) (12 Dec 1998) |
| ammonium compounds | Inorganic and organic compounds that contain the hypothetical radical nh4. (12 Dec 1998) |