heterotroph: meaning, definition, pronunciation and examples
C1/C2 (Academic/Specialised)Technical, Scientific (Biology, Ecology)
Quick answer
What does “heterotroph” mean?
An organism that cannot synthesize its own food and must obtain organic carbon and nutrients by consuming other organisms or organic matter.
Audio
Pronunciation
Definition
Meaning and Definition
An organism that cannot synthesize its own food and must obtain organic carbon and nutrients by consuming other organisms or organic matter.
In a broader ecological or metaphorical sense, any entity that depends entirely on external sources for sustenance, energy, or resources, unable to produce them internally.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling and pronunciation are consistent.
Connotations
Purely technical and neutral in both varieties.
Frequency
Equally low-frequency outside scientific contexts in both regions.
Grammar
How to Use “heterotroph” in a Sentence
[Organism] is a heterotroph.[Organism] functions as a heterotroph.The [organism] is described as heterotrophic.Vocabulary
Collocations
Examples
Examples of “heterotroph” in a Sentence
noun
British English
- Fungi are classic examples of heterotrophs, secreting enzymes to digest material externally.
- The pond's ecosystem balance depends on both autotrophs and heterotrophs.
American English
- In the food web diagram, all the animals are labeled as heterotrophs.
- A major distinction in biology is whether a cell is an autotroph or a heterotroph.
Usage
Meaning in Context
Business
Rare. Potentially metaphorical, e.g., 'The subsidiary acted as a corporate heterotroph, consuming resources from the parent company.'
Academic
Primary context. Used in biology, ecology, and environmental science textbooks and papers.
Everyday
Extremely rare. Unlikely to be encountered.
Technical
The standard context. Central to discussions of trophic levels, energy flow, and ecosystem structure.
Vocabulary
Antonyms of “heterotroph”
Watch out
Common Mistakes When Using “heterotroph”
- Mispronouncing as 'hetero-troff' (/trɒf/). The '-troph' rhymes with 'loaf'.
- Misspelling as 'heterotrope' or 'heterotropic'.
- Using it as an adjective without the '-ic' suffix (incorrect: 'heterotroph organism'; correct: 'heterotrophic organism').
FAQ
Frequently Asked Questions
Yes, humans are obligate heterotrophs. We cannot synthesise our own organic nutrients from inorganic sources and must consume other living things or their products.
A heterotroph is the broad category (any consumer). A decomposer is a specific type of heterotroph (like fungi or bacteria) that breaks down dead organic matter.
Yes, some organisms are mixotrophs or photoheterotrophs. They can use light for energy but still require organic compounds from their environment for carbon. They blur the strict line.
Very rarely. It might appear in metaphorical or philosophical discourse to describe something entirely dependent on external inputs, but this is highly specialised usage.
An organism that cannot synthesize its own food and must obtain organic carbon and nutrients by consuming other organisms or organic matter.
Heterotroph is usually technical, scientific (biology, ecology) in register.
Heterotroph: in British English it is pronounced /ˈhɛt.ər.əʊ.trɒf/, and in American English it is pronounced /ˈhɛt̬.ɚ.oʊ.troʊf/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'HETERO' means 'different' + 'TROPH' means 'nourishment'. A heterotroph gets nourishment from a *different* (other) source.
Conceptual Metaphor
DEPENDENCY IS HETEROTROPHY (e.g., 'The artist was a creative heterotroph, drawing inspiration solely from the works of others.')
Practice
Quiz
Which of the following is a defining characteristic of a heterotroph?