ammonia: meaning, definition, pronunciation and examples
C1Technical, Scientific, Everyday (cleaning context)
Quick answer
What does “ammonia” mean?
A colourless, pungent gas or liquid (NH₃) containing nitrogen and hydrogen, used in cleaning products, fertilizers, and industrial processes.
Audio
Pronunciation
Definition
Meaning and Definition
A colourless, pungent gas or liquid (NH₃) containing nitrogen and hydrogen, used in cleaning products, fertilizers, and industrial processes.
The chemical compound (NH₃), whether in gaseous, aqueous (ammonium hydroxide), or liquefied form, or a solution of this compound in water (commonly called household ammonia).
Dialectal Variation
British vs American Usage
Differences
No significant lexical or usage differences. Pronunciation differs slightly.
Connotations
Identical. Both associate it primarily with cleaning (everyday) and chemistry/industry (technical).
Frequency
Equally common in both variants due to its technical and household applications.
Grammar
How to Use “ammonia” in a Sentence
[V] The factory produces ammonia.[BE + V-ed] The floor was cleaned with ammonia.[N + of + N] a bottle of ammonia[ADJ + N] pungent ammonia fumesVocabulary
Collocations
Examples
Examples of “ammonia” in a Sentence
verb
British English
- The lab procedure requires you to ammoniate the solution carefully.
- The soil was ammoniated to increase nitrogen content.
American English
- The technician will ammoniate the mixture under the fume hood.
- The process ammoniates the waste to neutralise acids.
adverb
British English
- [No standard adverbial form. Rarely, 'ammoniacally' might be used technically.]
American English
- [No standard adverbial form.]
adjective
British English
- The ammonia-based cleaner left no streaks.
- They detected an ammoniacal odour in the storage shed.
American English
- Use an ammonia-free glass cleaner for these windows.
- The ammoniac smell indicated a chemical leak.
Usage
Meaning in Context
Business
Refers to a commodity in the chemical industry, especially in fertilizer production. 'The price of anhydrous ammonia has risen sharply.'
Academic
Discussed in chemistry, environmental science, and engineering contexts. 'The Haber process synthesises ammonia from nitrogen and hydrogen.'
Everyday
Almost exclusively refers to a strong-smelling liquid cleaning product. 'Open a window when using that ammonia, the fumes are strong.'
Technical
Precise terminology for the gas, liquid, or aqueous compound in industrial, laboratory, or refrigeration contexts. 'The refrigerant circuit was charged with anhydrous ammonia.'
Watch out
Common Mistakes When Using “ammonia”
- Using it as a countable noun (e.g., 'an ammonia' – incorrect).
- Confusing 'ammonia' (NH₃) with 'bleach' (sodium hypochlorite, NaClO), which is a different chemical.
FAQ
Frequently Asked Questions
No. Household ammonia is typically a 5-10% solution of ammonia gas (NH₃) in water, forming ammonium hydroxide. Pure anhydrous ammonia is a hazardous pressurised gas.
They are completely different chemicals. Ammonia (NH₃) is a nitrogen compound. Bleach is usually sodium hypochlorite (NaClO). Mixing them creates toxic chloramine gas.
It's one of the most produced industrial chemicals. Its primary use is in agricultural fertilizers, which support global food production. It's also used in cleaning, refrigeration, and manufacturing other chemicals.
Yes, in small amounts from the decomposition of organic matter containing nitrogen (e.g., animal waste). It's also found in trace amounts in the atmosphere and on some planets like Jupiter.
A colourless, pungent gas or liquid (NH₃) containing nitrogen and hydrogen, used in cleaning products, fertilizers, and industrial processes.
Ammonia is usually technical, scientific, everyday (cleaning context) in register.
Ammonia: in British English it is pronounced /əˈməʊnɪə/, and in American English it is pronounced /əˈmoʊniə/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None directly associated with the chemical]”
Learning
Memory Aids
Mnemonic
Think: 'A MOAN ya' – you might moan about the strong SMELL of AMMONIA while cleaning.
Conceptual Metaphor
CLEANING IS PURIFICATION (when used as a cleaner); INDUSTRIAL PRODUCTION IS THE BASIS OF MODERN LIFE (in fertilizer context).
Practice
Quiz
In which of these contexts is the word 'ammonia' LEAST likely to be used in its precise chemical sense?