superfluidity: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “superfluidity” mean?
A state of matter, typically liquid helium at very low temperatures, that flows without viscosity or friction.
Audio
Pronunciation
Definition
Meaning and Definition
A state of matter, typically liquid helium at very low temperatures, that flows without viscosity or friction.
A quantum mechanical phenomenon where a fluid exhibits zero viscosity and can flow without energy loss, often associated with Bose-Einstein condensates and certain superconductors.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; both varieties use identical terminology in scientific contexts.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally rare in general discourse but standard in physics literature in both regions.
Grammar
How to Use “superfluidity” in a Sentence
The superfluidity of [material] was demonstrated.Superfluidity occurs in [material] at [temperature].Researchers observed superfluidity in [system].Vocabulary
Collocations
Examples
Examples of “superfluidity” in a Sentence
verb
British English
- The helium superfluids at temperatures below 2.17 Kelvin.
- When cooled sufficiently, the liquid will superfluid.
American English
- The helium superfluids at temperatures below 2.17 Kelvin.
- When cooled enough, the liquid will superfluid.
adverb
British English
- The liquid flowed superfluidly through the narrow channel.
- It moved almost superfluidly, with no detectable resistance.
American English
- The liquid flowed superfluidly through the narrow channel.
- It moved almost superfluidly, with no detectable resistance.
adjective
British English
- The superfluid helium exhibited remarkable properties.
- They studied the superfluid phase transition.
American English
- The superfluid helium showed remarkable properties.
- They studied the superfluid phase transition.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Common in physics papers, particularly in condensed matter and low-temperature physics.
Everyday
Extremely rare; would only appear in popular science contexts.
Technical
Standard term in physics and engineering disciplines dealing with cryogenics or quantum phenomena.
Vocabulary
Synonyms of “superfluidity”
Strong
Neutral
Weak
Vocabulary
Antonyms of “superfluidity”
Watch out
Common Mistakes When Using “superfluidity”
- Using 'superfluidity' to describe any very smooth flow (e.g., water in a pipe).
- Confusing with 'superconductivity' (which relates to zero electrical resistance, not fluid flow).
- Misspelling as 'superfludity' or 'superfludidity'.
FAQ
Frequently Asked Questions
No. Superfluidity is the flow of a fluid with zero viscosity, while superconductivity is the flow of electricity with zero resistance. They are analogous quantum phenomena but occur in different systems.
No, superfluidity is a low-temperature quantum phenomenon. The known examples, like in liquid helium, require temperatures close to absolute zero.
While primarily studied for fundamental science, superfluidity in liquid helium is crucial for cooling advanced scientific instruments, like those in particle accelerators and space telescopes.
No, it is a highly specialized scientific term (C2 level). An average native speaker is unlikely to know it unless they have a background in physics.
A state of matter, typically liquid helium at very low temperatures, that flows without viscosity or friction.
Superfluidity is usually technical/scientific in register.
Superfluidity: in British English it is pronounced /ˌsuːpəfluˈɪdəti/, and in American English it is pronounced /ˌsuːpərfluˈɪdəti/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: SUPER (beyond) + FLUIDITY (flowing) = flowing beyond normal limits, without any stickiness.
Conceptual Metaphor
A fluid that has 'forgotten' how to be sticky; frictionless motion as a form of quantum freedom.
Practice
Quiz
In which field is the term 'superfluidity' primarily used?