phytohormone: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “phytohormone” mean?
A naturally occurring organic substance produced by plants that regulates growth and physiological processes.
Audio
Pronunciation
Definition
Meaning and Definition
A naturally occurring organic substance produced by plants that regulates growth and physiological processes.
Any plant-derived compound that acts as a signaling molecule to control various aspects of plant development, such as cell division, flowering, fruit ripening, and response to environmental stimuli.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling is identical.
Connotations
Neutral technical term in both varieties.
Frequency
Equally low-frequency in specialised contexts in both UK and US English.
Grammar
How to Use “phytohormone” in a Sentence
N of N (phytohormone of auxin class)N + V (phytohormone regulates)Adj + N (synthetic phytohormone)Vocabulary
Collocations
Examples
Examples of “phytohormone” in a Sentence
adjective
British English
- The phytohormonal response was measured.
- Phytohormone-like activity was observed.
American English
- The phytohormonal response was measured.
- Phytohormone-like activity was observed.
Usage
Meaning in Context
Business
Rare, except in agricultural biotechnology or horticultural product descriptions.
Academic
Common in botany, plant science, and agricultural research papers.
Everyday
Virtually never used.
Technical
Standard term in plant physiology, horticulture, and agrochemistry.
Vocabulary
Synonyms of “phytohormone”
Strong
Neutral
Weak
Vocabulary
Antonyms of “phytohormone”
Watch out
Common Mistakes When Using “phytohormone”
- Using 'phytohormone' to refer to animal hormones derived from plants (phytoestrogens are different).
- Confusing with 'fertiliser' (phytohormones regulate growth, not primarily nourish).
FAQ
Frequently Asked Questions
Yes, they are synonyms. 'Phytohormone' is the more technical term, while 'plant hormone' is also widely accepted in scientific literature.
Yes, as they are naturally occurring substances. However, their synthetic analogues might not be permitted under some organic certifications.
Major classes include auxins, gibberellins, cytokinins, abscisic acid, and ethylene.
No, they are specific to plant physiological systems. Some plant compounds can affect animals (e.g., phytoestrogens), but these are not classified as phytohormones.
A naturally occurring organic substance produced by plants that regulates growth and physiological processes.
Phytohormone is usually technical/scientific in register.
Phytohormone: in British English it is pronounced /ˌfaɪtəʊˈhɔːməʊn/, and in American English it is pronounced /ˌfaɪtoʊˈhɔːrmoʊn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
PHYTO (plant) + HORMONE (regulator) = plant regulator.
Conceptual Metaphor
PLANT HORMONES ARE MESSENGERS / INTERNAL SIGNALS.
Practice
Quiz
In which context is the term 'phytohormone' most appropriately used?