algicide: meaning, definition, pronunciation and examples
C2Technical, Scientific, Industrial
Quick answer
What does “algicide” mean?
A chemical substance or agent designed to kill or inhibit the growth of algae, especially in water bodies or industrial systems.
Audio
Pronunciation
Definition
Meaning and Definition
A chemical substance or agent designed to kill or inhibit the growth of algae, especially in water bodies or industrial systems.
Any treatment, product, or method (chemical or otherwise) used for the control or eradication of algal blooms, typically to prevent fouling, blockages, or contamination in swimming pools, ponds, aquariums, water treatment facilities, and cooling towers.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling is consistent. American English may have a slightly higher frequency due to widespread private pool ownership and associated maintenance terminology.
Connotations
Neutral technical term in both varieties. Connotes practical problem-solving and maintenance rather than broader environmental or agricultural contexts.
Frequency
Very low frequency in general language. Primarily encountered in technical manuals, pool/pond care products, and environmental science texts. Marginally more common in American English in consumer-facing contexts (e.g., pool supply stores).
Grammar
How to Use “algicide” in a Sentence
apply + algicide + to + NP (object)treat + NP (body of water) + with + algicideNP (algicide) + is used + for + V-ing (controlling)dose + NP (water) + with + algicideVocabulary
Collocations
Examples
Examples of “algicide” in a Sentence
verb
British English
- The pond was treated and algaecided last spring.
- We need to algicide the fountain to keep it clear.
American English
- We algicided the pool before the party.
- The system is designed to automatically algicide the cooling water.
adjective
British English
- The algicide treatment was highly effective.
- They reviewed the algicide properties of several compounds.
American English
- An algicide solution was added weekly.
- Check the algicide concentration in the reservoir.
Usage
Meaning in Context
Business
Found in the marketing and technical specifications of water treatment, pool maintenance, and aquaculture supply companies. (e.g., 'Our new line of algicides is EPA-approved.')
Academic
Used in environmental science, limnology, microbiology, and industrial chemistry papers discussing biofilm control or eutrophication management.
Everyday
Rare. Almost exclusively used by homeowners with ponds or swimming pools discussing maintenance. (e.g., 'I need to buy some algicide for the pool.')
Technical
Standard term in water treatment engineering, HVAC (cooling towers), aquaculture, and recreational water management manuals and protocols.
Vocabulary
Synonyms of “algicide”
Strong
Neutral
Weak
Vocabulary
Antonyms of “algicide”
Watch out
Common Mistakes When Using “algicide”
- Spelling: 'algaecide' is an accepted variant, but 'algicide' is the standard form. Mispronunciation: stressing the second syllable (/ælˈdʒaɪsaɪd/) is incorrect. Using it as a verb (e.g., 'I will algicide the pond') is non-standard.
FAQ
Frequently Asked Questions
Yes, 'algaecide' is a common variant spelling, especially in American English consumer contexts. Both refer to the same type of product. 'Algicide' is generally considered the standard form in technical and scientific writing.
Yes, but with caution. You must use an algicide specifically labelled as safe for aquatic life, as many common algicides (especially copper-based ones) can be toxic to fish and invertebrates at certain concentrations. Always follow the manufacturer's instructions carefully.
Chlorine (an oxidiser) kills algae and other organisms by oxidation and is used for general sanitation and 'shocking'. An algicide is a specific, often non-oxidising, chemical that targets algae and is used as a preventative or for treating resistant strains. They are often used in conjunction.
As with any chemical, it depends on the specific formulation and exposure. Most consumer-grade pool and pond algicides are safe when used as directed. However, they are not for human consumption and can cause skin/eye irritation. Professional-grade industrial algicides may require personal protective equipment (PPE) for handling.
A chemical substance or agent designed to kill or inhibit the growth of algae, especially in water bodies or industrial systems.
Algicide is usually technical, scientific, industrial in register.
Algicide: in British English it is pronounced /ˈældʒɪsaɪd/, and in American English it is pronounced /ˈældʒɪsaɪd/ or /ˈælɡɪsaɪd/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'ALGI' (like 'algae') + 'CIDE' (like 'suicide' or 'homicide' – meaning 'killer'). So, 'algae-killer'.
Conceptual Metaphor
WAR (The algicide is a weapon/troop deployed in a battle against an algal invasion of a water body.)
Practice
Quiz
In which context would the term 'algicide' be LEAST appropriate?