isomalathion
An impurity found in some batches of malathion, significantly more toxic to humans…An impurity found in some batches of malathion, significantly more toxic to humans than malathion.
Meaning
1 senses(uncountable)An impurity found in some batches of malathion, significantly more toxic to humans than malathion.
Origin
From iso- + malathion.From iso- + malathion.
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Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable