culture medium: meaning, definition, pronunciation and examples
C1Technical / Scientific
Quick answer
What does “culture medium” mean?
A liquid or gel containing nutrients in which microorganisms, cells, or tissues are grown for scientific study.
Audio
Pronunciation
Definition
Meaning and Definition
A liquid or gel containing nutrients in which microorganisms, cells, or tissues are grown for scientific study.
A substance or environment that supports growth, development, or activity, used metaphorically in non-scientific contexts.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. Spelling of related terms may differ (e.g., 'labour' vs. 'labor').
Connotations
Identical technical meaning. Metaphorical use is slightly more common in British academic/social commentary.
Frequency
Equally frequent in scientific contexts in both varieties. Rare in everyday speech.
Grammar
How to Use “culture medium” in a Sentence
[prepare/grow/inoculate] + culture medium + [with/for]culture medium + [for/growing/supporting] + [microorganisms/cells][microorganisms/cells] + [grow/thrive] + in + culture mediumVocabulary
Collocations
Examples
Examples of “culture medium” in a Sentence
verb
British English
- The bacteria were cultured in a nutrient medium.
- We need to culture the sample on a fresh medium.
American English
- The cells were cultured in a specific medium.
- They cultured the organism in a liquid medium.
adverb
British English
- The cells grew culture-medium-dependently.
- (Rarely used as adverb)
American English
- (Rarely used as adverb)
adjective
British English
- The culture-medium preparation is a sterile process.
- Follow the culture-medium protocol carefully.
American English
- The culture-medium composition is listed.
- Check the culture-medium expiration date.
Usage
Meaning in Context
Business
Metaphorically, to describe an environment fostering creativity or conflict: 'The open-plan office acted as a culture medium for collaborative ideas.'
Academic
Technical use in biology papers; metaphorical use in social sciences: 'Post-war prosperity served as a culture medium for new artistic movements.'
Everyday
Virtually never used in casual conversation.
Technical
Standard term in microbiology, cell biology, and medical labs: 'The cells were maintained in Dulbecco's Modified Eagle Medium (DMEM).'
Vocabulary
Synonyms of “culture medium”
Strong
Neutral
Weak
Vocabulary
Antonyms of “culture medium”
Watch out
Common Mistakes When Using “culture medium”
- Using 'culture media' as a singular noun (incorrect: 'a culture media'; correct: 'a culture medium').
- Confusing it with 'medium' in spiritualism or art.
- Misspelling as 'culture median'.
FAQ
Frequently Asked Questions
'Culture media' is the plural form. The singular is 'culture medium'. One medium, two media.
Yes, but it is a deliberate metaphor. It is used in social sciences, business, and commentary to describe an environment that fosters the growth of ideas, trends, or movements.
Agar plates or slants. Agar is a gelatinous substance derived from seaweed, mixed with nutrients to form a solid surface for microbial growth.
They are synonyms in technical contexts. 'Culture medium' is slightly more common in medical and general biology, while 'growth medium' is also perfectly acceptable.
A liquid or gel containing nutrients in which microorganisms, cells, or tissues are grown for scientific study.
Culture medium is usually technical / scientific in register.
Culture medium: in British English it is pronounced /ˈkʌltʃə ˌmiːdiəm/, and in American English it is pronounced /ˈkʌltʃər ˌmiːdiəm/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[Metaphorical] a culture medium for innovation”
- “[Metaphorical] provide a culture medium for dissent”
Learning
Memory Aids
Mnemonic
Think of a MEDIUM (a substance) that provides a CULTURE (a growing environment) for tiny life forms. Like soil is a medium for plant culture.
Conceptual Metaphor
ENVIRONMENT IS A NUTRIENT SOURCE (e.g., 'The city was a culture medium for radical politics.')
Practice
Quiz
In a metaphorical sense, what does 'culture medium' typically refer to?