Micropollutant
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any pollutant that has a toxic effect at very small concentrations.
"“The long-term effect of air pollution by acid-formers like sulfur dioxide and oxides of nitrogen, heavy metals and organic micropollutants means the poisoning of the ecosphere and the hydrosphere,” Professor Ulrich said."
Example
More examples"“The long-term effect of air pollution by acid-formers like sulfur dioxide and oxides of nitrogen, heavy metals and organic micropollutants means the poisoning of the ecosphere and the hydrosphere,” Professor Ulrich said."
Etymology
From micro- + pollutant.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.