superconductivity: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “superconductivity” mean?
The property of certain materials to conduct electric current with zero electrical resistance.
Audio
Pronunciation
Definition
Meaning and Definition
The property of certain materials to conduct electric current with zero electrical resistance.
A physical phenomenon occurring in some materials when cooled below a characteristic critical temperature, where they exhibit the complete disappearance of electrical resistance and the expulsion of magnetic fields (the Meissner effect). It is a key concept in condensed matter physics with applications in MRI machines, maglev trains, and quantum computing.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Pronunciation and stress patterns may vary slightly.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally low-frequency in general discourse but standard in physics and engineering contexts in both regions.
Grammar
How to Use “superconductivity” in a Sentence
The superconductivity of [material] at [temperature] is remarkable.Research into superconductivity has accelerated.They observed superconductivity in the compound.Vocabulary
Collocations
Examples
Examples of “superconductivity” in a Sentence
verb
British English
- The material does not 'superconduct' at this temperature; it's merely a good conductor.
American English
- They hope to make the ceramic 'superconduct' using less expensive cooling methods.
adjective
British English
- The superconducting magnet requires liquid helium for cooling.
American English
- Researchers are looking for new superconducting materials.
Usage
Meaning in Context
Business
Rare, except in venture capital or R&D reports related to advanced materials, energy, or quantum technology.
Academic
Ubiquitous in physics, materials science, and engineering departments. The subject of countless papers and theses.
Everyday
Virtually never used in casual conversation. Might appear in popular science articles or documentaries.
Technical
The primary register. Used with precise parameters (critical temperature, critical field) and in discussions of BCS theory, Cooper pairs, etc.
Vocabulary
Synonyms of “superconductivity”
Neutral
Weak
Vocabulary
Antonyms of “superconductivity”
Watch out
Common Mistakes When Using “superconductivity”
- Using 'superconductivity' to refer to the material (should be 'superconductor').
- Misspelling as 'super conductivity' (it is a closed compound noun).
FAQ
Frequently Asked Questions
No. While both imply zero DC resistance, superconductivity additionally involves the Meissner effect (expulsion of magnetic fields), which is a defining quantum mechanical property not implied by 'perfect conductivity'.
As of now, no material exhibits superconductivity under standard room temperature and pressure. 'High-temperature' superconductors work at temperatures above liquid nitrogen boiling point (-196°C) but still far below room temperature. Achieving room-temperature superconductivity is a major research goal.
A superconductor is the specific material that exhibits the property of superconductivity. The word 'superconductivity' refers to the phenomenon itself.
It enables lossless electrical transmission, incredibly powerful electromagnets for MRI and particle accelerators, and is fundamental to emerging technologies like quantum computers and maglev transportation.
The property of certain materials to conduct electric current with zero electrical resistance.
Superconductivity is usually technical/scientific in register.
Superconductivity: in British English it is pronounced /ˌsuːpəkɒndʌkˈtɪvəti/, and in American English it is pronounced /ˌsuːpərkənˌdəkˈtɪvəti/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Imagine a SUPER highway for electricity (CONDUCTION) where cars (electrons) face no traffic or friction (zero resistance). This city is called Superconductivity.
Conceptual Metaphor
FRICTIONLESS FLOW (of electricity).
Practice
Quiz
What is the primary condition required for conventional superconductivity to occur?