Webster's 1828 Dictionary
AMMONIAC, AMMONIACAL
a.Pertaining to ammonia, or possessing its properties.
AMMONIAC, AMMONIAC GUM
n.[See Ammonia. ] A gun resin, from Africa and the East, brought in large masses, composed of tears, internally white and externally yellow; supposed to be an exudation from an umbelliferous plant. it has a fetid smell, and a nauseous sweet taste, followed by a bitter one. It is inflammable, soluble in water and spirit of wine, and is used in medicine, as a deobstruent, and resolvent.
Webster's 1913 Dictionary
AMMONIAC; AMMONIACAL
AMMONIAC; AMMONIACAL Am *mo "ni *ac, Am `mo *ni "a *cal, a.
Defn: Of or pertaining to ammonia, or possessing its properties; as, an ammoniac salt; ammoniacal gas. Ammoniacal engine, an engine in which the vapor of ammonia is used as the motive force. -- Sal ammoniac Etym: [L. sal ammoniacus ], the salt usually called chloride of ammonium, and formerly muriate of ammonia.
AMMONIAC; GUM AMMONIAC
Am *mo "ni *ac ([or ] Gum ` am *mo "ni *ac, n. Etym: [L. Ammoniacum, Gr. Ammon; cf. F. ammoniac. See Ammonite. ] (Med. )
Defn: The concrete juice (gum resin ) of an umbelliferous plant, the Dorema ammoniacum. It is brought chiefly from Persia in the form of yellowish tears, which occur singly, or are aggregated into masses. It has a peculiar smell, and a nauseous, sweet taste, followed by a bitter one. It is inflammable, partially soluble in water and in spirit of wine, and is used in medicine as an expectorant and resolvent, and for the formation of certain plasters.
AMMONIACAL FERMENTATION
AMMONIACAL FERMENTATION Am `mo *ni "a *cal fer `men *ta "tion.
Defn: Any fermentation process by which ammonia is formed, as that by which urea is converted into ammonium carbonate when urine is exposed to the air.
New American Oxford Dictionary
ammoniacal
am mo ni a cal |ˌaməˈnī -ikəl ˌæməˈnaɪəkəl | ▶adjective of or containing ammonia. ORIGIN mid 18th cent.: from Middle English ammoniac, via Old French from Latin ammoniacus. This represented the Greek word ammōniakos ‘of Ammon, ’ used as a name for the salt and gum obtained near the temple of Jupiter Ammon (the Greek name for the Egyptian deity Amen ) at Siwa in Egypt. Compare with sal ammoniac .
Oxford Dictionary
ammoniacal
ammoniacal |ˌamə (ʊ )ˈnʌɪək (ə )l | ▶adjective of or containing ammonia. ORIGIN mid 18th cent.: from Middle English ammoniac, via Old French from Latin ammoniacus. This represented the Greek word ammōniakos ‘of Ammon ’, used as a name for the salt and gum obtained near the temple of Jupiter Ammon at Siwa in Egypt. Compare with sal ammoniac .
French Dictionary
ammoniac
ammoniac n. m. nom masculin Gaz. Prononciation Le c se prononce, [amɔnjak ]
ammoniac
ammoniac , iaque adj. adjectif Relatif à l ’ammoniac. Note Technique Attention au féminin en que, comme pour les adjectifs public, turc, caduc.
ammoniacal
ammoniacal , ale , aux adj. adjectif Qui contient de l ’ammoniac, qui en a l ’odeur ou les propriétés.
The Wordsmith Dictionary