all-or-none law: meaning, definition, pronunciation and examples
C2Formal/Technical/Specialized
Quick answer
What does “all-or-none law” mean?
The principle, especially in physiology, that a stimulus must reach a certain threshold to produce a full response.
Audio
Pronunciation
Definition
Meaning and Definition
The principle, especially in physiology, that a stimulus must reach a certain threshold to produce a full response; below that threshold, there is no response at all.
More generally, any principle or system that allows only two extreme outcomes with no intermediate possibilities, similar to a binary or digital system.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or spelling. The term is used identically in both scientific communities.
Connotations
Neutral and precise scientific term. In metaphorical use, it can imply inflexibility, absoluteness, or a lack of gradation.
Frequency
Very low frequency in general language. Exclusively found in technical, academic, or metaphorical professional contexts. Identically rare in both varieties.
Grammar
How to Use “all-or-none law” in a Sentence
The [neuronal response] follows the all-or-none law.It is an all-or-none phenomenon.They operate on an all-or-none basis.Vocabulary
Collocations
Examples
Examples of “all-or-none law” in a Sentence
adjective
British English
- The neuron exhibits an all-or-none characteristic.
- They proposed an all-or-none model for the reaction.
American English
- The system has an all-or-none property.
- It was an all-or-none decision for the board.
Usage
Meaning in Context
Business
Metaphorical: 'Their investment strategy is an all-or-none law; they either commit fully to a market or avoid it entirely.'
Academic
Primary usage: 'The firing of a neuron is governed by the all-or-none law.'
Everyday
Rare. Used metaphorically to describe inflexible situations: 'His attitude is like an all-or-none law – either perfect or a total failure.'
Technical
Core usage in physiology, neuroscience, and engineering: 'The digital signal follows an all-or-none law, representing either 1 or 0.'
Vocabulary
Synonyms of “all-or-none law”
Strong
Neutral
Weak
Vocabulary
Antonyms of “all-or-none law”
Watch out
Common Mistakes When Using “all-or-none law”
- Incorrect hyphenation: 'all or none law' (missing hyphens).
- Using it as an adjective without hyphens: 'an all or none response'. Correct: 'an all-or-none response'.
- Confusing it with the idiomatic phrase 'all or nothing' in formal writing.
FAQ
Frequently Asked Questions
Not exactly. 'All-or-none law' is a formal scientific principle, particularly in physiology. 'All or nothing' is a general idiom meaning total commitment or risk. The former is a specific law; the latter is a common phrase.
Yes, but only metaphorically. It can describe strategies, decisions, or contracts that permit only two extreme outcomes with no middle ground, e.g., 'an all-or-none merger clause'.
It originates primarily from physiology and neuroscience, describing the behaviour of neurons and muscle fibres.
The term is hyphenated when used as a compound modifier before a noun (e.g., 'all-or-none principle'). When used nominally, it is often written with hyphens for clarity: 'the all-or-none law'.
The principle, especially in physiology, that a stimulus must reach a certain threshold to produce a full response.
All-or-none law is usually formal/technical/specialized in register.
All-or-none law: in British English it is pronounced /ˌɔːl ɔː ˈnʌn ˌlɔː/, and in American English it is pronounced /ˌɔːl ɔːr ˈnʌn ˌlɔː/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “It's all or nothing.”
- “Go big or go home.”
Learning
Memory Aids
Mnemonic
Think of a light switch: it's either ALL ON or NONE ON (off). There's no dim middle – that's the LAW of the switch.
Conceptual Metaphor
RESPONSE IS A LIGHT SWITCH (binary, on/off). SYSTEMS ARE BINARY DIGITS (1 or 0).
Practice
Quiz
Where is the term 'all-or-none law' most accurately used?