AMMONIUM

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 Dictionary entry overview: What does ammonium mean? 

• AMMONIUM (noun)
  The noun AMMONIUM has 1 sense:

1. the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion

  Familiarity information: AMMONIUM used as a noun is very rare.

 Dictionary entry details 

• AMMONIUM (noun)

Sense 1

Meaning:

The ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion

Classified under:

Nouns denoting substances

Synonyms:

ammonium; ammonium ion

Hypernyms ("ammonium" is a kind of...):

ammonia (a pungent gas compounded of nitrogen and hydrogen (NH3))

Derivation:

ammonify (treat with ammonia; cause to undergo ammonification)

 Context examples 

An orally available bromide salt form of butylscopolamine, a quaternary ammonium derivative of the alkaloid scopolamine, with anticholinergic property.

(Butylscopolamine Bromide, NCI Thesaurus)

A synthetic choline ester and a positively charged quaternary ammonium compound.

(Carbachol, NCI Thesaurus)

A combination formulation containing the hydrochloride salt form of the benzodiazepine chlordiazepoxide and the bromide salt form of the quaternary ammonium antimuscarinic clidinium with anxiolytic, sedative and antispasmodic activities.

(Chlordiazepoxide Hydrochloride/Clidinium Bromide, NCI Thesaurus)

The tosylate salt form of bretylium, a quaternary ammonium salt and non-selective adrenergic neuronal blocking agent with anti-arrhythmic properties.

(Bretylium Tosylate, NCI Thesaurus)

A synthetic quaternary ammonium base derivative, parasympathomimetic Bethanechol is a slowly hydrolyzed muscarinic agonist with no nicotinic effects.

(Bethanechol Chloride, NCI Thesaurus)

These phyllosilicates are rich in magnesium and also have some ammonium embedded in their crystalline structure.

(Ceres' Geological Activity, Ice Revealed in New Research, NASA)

In animal studies, ammonium trichlorotellurate exerts its anti-hair loss effect by inducing anagen and obstructing spontaneous catagen via promoting follicular keratinocyte proliferation and interfering with terminal differentiation, respectively.

(Ammonium Trichlorotellurate, NCI Thesaurus)

A quaternary ammonium compound that serves as a long-acting cholinesterase inhibitor with parasympathomimetic activity.

(Demecarium, NCI Thesaurus)

The bromide salt form of demecarium, a quaternary ammonium compound and a long-acting cholinesterase inhibitor with parasympathomimetic activity.

(Demecarium Bromide, NCI Thesaurus)

This leads to an increase in the excretion of sodium, potassium, chloride, calcium, magnesium, ammonium and water.

(Loop Diuretic, NCI Thesaurus)