strong interaction: meaning, definition, pronunciation and examples
C2technical/scientific
Quick answer
What does “strong interaction” mean?
In particle physics, the fundamental force responsible for binding quarks together to form protons, neutrons, and other hadrons, and for binding protons and neutrons together within atomic nuclei.
Audio
Pronunciation
Definition
Meaning and Definition
In particle physics, the fundamental force responsible for binding quarks together to form protons, neutrons, and other hadrons, and for binding protons and neutrons together within atomic nuclei.
In a broader scientific or metaphorical context, any powerful or dominant mutual influence between components of a system.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling conventions follow national norms for other words in the sentence (e.g., 'behaviour' vs. 'behavior').
Connotations
Carries identical connotations of fundamental, powerful, and short-range force.
Frequency
Exclusively used in scientific contexts with equal frequency in both varieties.
Grammar
How to Use “strong interaction” in a Sentence
The strong interaction [VERB] between [NOUN PHRASE].[NOUN PHRASE] is governed by the strong interaction.The strong interaction, which [RELATIVE CLAUSE], ...Vocabulary
Collocations
Examples
Examples of “strong interaction” in a Sentence
verb
British English
- The quarks strongly interact via gluon exchange.
- These particles are theorised to interact strongly at very short ranges.
American English
- The quarks strongly interact through gluon exchange.
- These particles are theorized to interact strongly at very short ranges.
adverb
British English
- The particles are strongly interacting.
- The system behaved strongly interactively at high energies.
American English
- The particles are strongly interacting.
- The system behaved strongly interactively at high energies.
adjective
British English
- The strong-interaction effects were clearly visible in the scatter plot.
- They studied the strong-interaction regime of quantum field theory.
American English
- The strong-interaction effects were clearly visible in the scatter plot.
- They studied the strong-interaction regime of quantum field theory.
Usage
Meaning in Context
Business
Rare. Potentially metaphorical: 'The strong interaction between our marketing and R&D departments drives innovation.'
Academic
Standard term in physics textbooks and papers on quantum chromodynamics (QCD) and nuclear physics.
Everyday
Virtually never used. A layperson would say 'strong force' or 'nuclear force' if needed.
Technical
The precise term for one of the four fundamental forces, described by Quantum Chromodynamics.
Vocabulary
Synonyms of “strong interaction”
Strong
Neutral
Weak
Vocabulary
Antonyms of “strong interaction”
Watch out
Common Mistakes When Using “strong interaction”
- Using 'strong interaction' to refer to powerful interpersonal chemistry in casual conversation.
- Confusing it with 'weak interaction' (the force behind beta decay).
- Mispronouncing 'interaction' with stress on the first syllable (IN-ter-ac-tion) instead of the standard third (in-ter-AC-tion).
FAQ
Frequently Asked Questions
Yes, but with precision. The 'strong interaction' is the fundamental force between quarks. The 'nuclear force' or 'residual strong interaction' is the effective force between protons and neutrons, which is a remnant of the fundamental strong interaction.
The strong interaction is mediated by gauge bosons called gluons. Unlike the photon in electromagnetism, gluons themselves carry colour charge and can interact with each other.
No, directly you cannot. It is an immensely powerful force, but its range is limited to roughly the size of an atomic nucleus (~1 femtometer). We feel its indirect effects as the stability of matter.
It is called 'strong' because it is, by a considerable margin, the most powerful of the four fundamental forces, approximately 100 times stronger than electromagnetism and many orders of magnitude stronger than the weak force and gravity at nuclear scales.
In particle physics, the fundamental force responsible for binding quarks together to form protons, neutrons, and other hadrons, and for binding protons and neutrons together within atomic nuclei.
Strong interaction is usually technical/scientific in register.
Strong interaction: in British English it is pronounced /ˌstrɒŋ ɪn.tərˈæk.ʃən/, and in American English it is pronounced /ˌstrɑːŋ ˌɪn.t̬ɚˈæk.ʃən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “To have a strong interaction with (metaphorical).”
Learning
Memory Aids
Mnemonic
Think of the STRONG INTERACTION as the 'super glue' of the atomic nucleus – it's what holds protons (which repel each other) tightly together.
Conceptual Metaphor
POWERFUL GLUE / ULTIMATE BOND
Practice
Quiz
Which of the following is a correct synonym for 'strong interaction' in particle physics?