Definify.com
Webster 1913 Edition
ammoniacal
{
am-mo′ni-ac
(ăm-mō′nĭ-ăk)
, Amˊmo-ni′a-cal
(ămˊmō̍-nī′ȧ-kal)
, } Adj.
Of, pertaining, or containing 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
[L.
, sal ammoniacus
]the salt usually called
chloride of ammonium
, and formerly muriate of ammonia
.