Plural of Medium
“Medium” has sense-dependent plurals. “Media” is usual for communication forms and is required or preferred in several specialized scientific culture/substance senses. “Mediums” is the plural for people claimed to communicate with spirits. Artistic materials or means of expression can use “media” or “mediums.” Some size/category uses also take regular “mediums.”
The plural of “medium” can be “media” or “mediums,” depending on meaning. Spiritualist people are “mediums”; communication and several scientific senses commonly use “media.”
Key details
Choose the right form
| Meaning / situation | Form / construction | Decision |
|---|---|---|
| communication forms | media | Usual plural. |
| spiritualist people | mediums | Required plural for this person sense. |
| artistic means/materials | media / mediums | Both recorded. |
| scientific culture/substance senses | media | Specialized plural. |
Quick tests
Plural-choice test
Does “medium” mean a person who claims spirit communication?
If yes: Use “mediums.”
If no: For communication/scientific senses use “media”; for artistic means, either recorded plural may fit.
Caveat: Mass-media “media” also has modern singular/mass-noun usage in some contexts, but this guide keeps the conservative sense-based plural distinction clear.
Examples
The campaign used several digital media.
Communication forms commonly take “media.”
The two mediums gave different readings.
The spiritualist-person sense takes “mediums.”
The artist experiments with several media.
Artistic materials can use “media.”
Further guidance
Core difference
Use “mediums” for spiritualists and many ordinary countable person/size uses; use “media” for communication and relevant scientific senses; art can allow either.
Fast Test
Identify whether the noun means communication, artistic material, scientific culture/substance, a spiritualist person, or another countable category.
Usage Boundary
Do not treat “media” and “mediums” as freely interchangeable in every sense.
Sources and evidence
Sources are shown with the role they play in this guide. Historical or style-sensitive claims are kept within the evidence boundary described above.
- MEDIUM | English meaning - Cambridge Dictionary (opens in a new tab)Cambridge University Press · Cambridge records media or mediums for communication/expression senses, while the person claiming spirit communication takes mediums.
- MEDIUM Definition & Meaning - Merriam-Webster (opens in a new tab)Merriam-Webster · Merriam-Webster records mediums or media generally, with media usual in communication senses and mediums for spiritualists; it also distinguishes specialized culture-media senses.