plural biological controls
1
: a method of controlling harmful insects, diseases, etc., in an environment (such as a garden or a lawn) by using other insects or natural substances
She practices biological control in her gardening.
2
: an insect or a natural substance that is used to control harmful insects, diseases, etc.
She uses biological controls in her garden.
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“Biological control.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/biological%20control. Accessed 24 Jun. 2026.
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