noun
definition
A foreign substance that makes something dirty, or impure, especially waste from human activities.
Examples of pollutant in a Sentence
Plastic bags in the ocean is a well documented water pollutant.
This phenomenon is believed to be caused by more than one particular pollutant.
No energy has been wasted nor has any pollutant been released into the air.
Anything that churns out harmful smoke, toxins, chemicals, or biological substances into the air is considered a pollutant.
Ozone, or tropospheric ozone, is a pollutant formed by the reaction of sunlight on hydrocarbons and nitrogen oxides.
The cheapest sensors are basic diffusion tubes for one gaseous pollutant.
This is the UK's second most heavily used aquifer, and pollutant transport is therefore of fundamental environmental interest.
Prof. Simon Bottrell - User of sulfur isotopes to establish pathways of pollutant sulfur uptake in forest and peatland ecosystems.
A bacterial endophyte of yellow lupine was modified with genes for degrading an organic pollutant along with genes for antibiotic and nickel resistance.
This makes the smog a secondary pollutant that has its own set of health risks and physical damage to humans.
Manufacturers claim that replacing air particles with ozone particles (an actual pollutant) increases the quality of the air breathed.
Increased exposure to pollutant aerosols under high voltage power lines.
What you may not know is that smog is both a direct result of pollution and is a pollutant in its own right.
Naturally, something that promises to combat this harmful pollutant is a welcome addition to any skincare regimen.
There are many proven technologies available today for reducing air pollutant emissions from pulverized coal fired power plant.
For an accidental pollutant release, such as an oil tanker spill, this is important for cleanup operations.
The process must be carefully controlled to maintain complete oxidation but to minimize thermal NOx formation, which is itself, a pollutant.
The hi-tech paving slabs have a top layer containing titanium dioxide which helps to break down pollutant nitrogen dioxide gas from car fumes.
Accurate prediction of pollutant dispersion is an important area of environmental research.
The aim of the strategy was to reduce the air pollutant impact on human health by reducing airborne concentrations.
They are often accompanied by high pollutant concentrations, traffic impediments due to restricted visibility or wind shear, and interference with health.
A key element within the Part IIA regime for determining whether a site poses a risk, is the pollutant linkage concept.
In the atmosphere is usually oxidized to form sulfur trioxide, a secondary pollutant.
A pollutant is extremely small, only two to ten microns in diameter, or less than one-seventh the size of a diameter of a strand of hair.