liquid oxygen: meaning, definition, pronunciation and examples
C1Technical / Scientific
Quick answer
What does “liquid oxygen” mean?
Oxygen that has been cooled to a very low temperature (below -183°C) so that it becomes a pale blue liquid.
Audio
Pronunciation
Definition
Meaning and Definition
Oxygen that has been cooled to a very low temperature (below -183°C) so that it becomes a pale blue liquid.
A cryogenic liquid used primarily as an industrial oxidizer or in medical and aerospace applications, often abbreviated as LOX.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Usage is identical in technical contexts.
Connotations
Identical connotations related to industry, rocketry, medicine, and cryogenics.
Frequency
Equally low frequency in general discourse but standard in identical technical fields in both regions.
Grammar
How to Use “liquid oxygen” in a Sentence
The [noun] requires liquid oxygen.They stored the liquid oxygen in a [noun].[Noun] is combined with liquid oxygen.Vocabulary
Collocations
Examples
Examples of “liquid oxygen” in a Sentence
verb
British English
- The plant liquefies oxygen to produce liquid oxygen.
- They will liquid oxygen for the upcoming launch.
American English
- The facility liquifies oxygen to produce liquid oxygen.
- They need to liquid oxygen for the mission.
adverb
British English
- [Not applicable; no standard adverbial form]
American English
- [Not applicable; no standard adverbial form]
adjective
British English
- The liquid-oxygen supply valve was checked.
- They reviewed the liquid-oxygen storage protocols.
American English
- The liquid oxygen supply valve was checked.
- They reviewed the liquid oxygen storage protocols.
Usage
Meaning in Context
Business
Used in industrial gas supply contracts and logistics.
Academic
Common in chemistry, physics, and engineering papers on cryogenics or propulsion.
Everyday
Rare; might appear in news about spaceflight or medical stories.
Technical
Standard term in aerospace engineering (rocket fuel), welding, and medical oxygen systems.
Vocabulary
Synonyms of “liquid oxygen”
Vocabulary
Antonyms of “liquid oxygen”
Watch out
Common Mistakes When Using “liquid oxygen”
- Using as a countable noun (e.g., 'a liquid oxygen' is incorrect).
- Confusing it with 'oxygen liquid' (incorrect word order).
- Misspelling as 'liquid oxigen'.
FAQ
Frequently Asked Questions
Yes, it is the same element (O₂), but in a different physical state, cooled to a temperature below -183°C (-297°F).
Its pale blue colour is due to the absorption of light in the red part of the visible spectrum, a property of the oxygen molecule in its liquid state.
No, it would cause immediate and severe frostbite to any living tissue. It is not a beverage but a cryogenic industrial fluid.
LOX is the standard abbreviation for 'liquid oxygen', commonly used in aerospace and engineering contexts.
Oxygen that has been cooled to a very low temperature (below -183°C) so that it becomes a pale blue liquid.
Liquid oxygen is usually technical / scientific in register.
Liquid oxygen: in British English it is pronounced /ˌlɪk.wɪd ˈɒk.sɪ.dʒən/, and in American English it is pronounced /ˌlɪk.wɪd ˈɑːk.sɪ.dʒən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[None specific to this technical term]”
Learning
Memory Aids
Mnemonic
Imagine a BLUE liquid (its actual colour) that is OXYGEN you can pour. 'Liquid' + 'Oxygen' = exactly what it says.
Conceptual Metaphor
POTENT FUEL / DANGEROUS COLD (Often conceptualised as a powerful, volatile, and extremely cold substance that enables great energy release.)
Practice
Quiz
What is the primary hazard associated with handling liquid oxygen?