Meaning & use
on a spectrum
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Meanings
phrasefixed phrase
Existing as a range of qualities or behaviors rather than as separate, fixed categories.
Grammar: Used after 'be' or 'lie': the condition is on a spectrum; it lies on a spectrum.
Patterns
- be on a spectrum
- lie on a spectrum
- exist on a spectrum
Many mental health conditions are on a spectrum, so symptoms vary from person to person.
Autism is on a spectrum, which means people can be affected in very different ways.
Gender identity is on a spectrum rather than being simply male or female.
phrasefixed phrase
Placed within a continuous range between two extreme points.
Grammar: Often followed by 'from ... to ...': opinions are on a spectrum from very liberal to very conservative.
Patterns
- on a spectrum from something to something
- on a spectrum between something and something
Political views are on a spectrum from far left to far right.
The colors in the painting are on a spectrum between blue and green.
People's reactions to the news were on a spectrum from joy to despair.
Common combinations
- be on a spectrum
- The disorder is on a spectrum, so no two cases are the same.
- lie on a spectrum
- Human intelligence lies on a spectrum rather than in two groups.
- on a spectrum from ... to ...
- The music is on a spectrum from classical to jazz.
- somewhere on a spectrum
- Her political beliefs are somewhere on a spectrum between left and right.
Synonyms and how they differ
- on a continuum
- On a continuum is more formal and often used in academic writing; on a spectrum is more common in everyday and medical contexts.
Word family
- spectrum noun
- The noun meaning a range of different things or a band of colors.
Commonly confused: on a spectrum or spectrum?
on a spectrum vs spectrum
Spectrum is a noun; on a spectrum is a phrase that describes where something fits within a range.
Practice
Many people say that autism is ______, meaning it affects people in different ways and to different degrees.
Choose one answer.
The fixed expression is 'on a spectrum', so 'on' is the correct preposition. 'In a spectrum' is not used in English.
Make it your own
Write a sentence using “on a spectrum”, then check it and compare it with the examples above.