contamination

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These systems, scattered across Altadena, “pose significant risks of groundwater contamination, surface water pollution and potential public health hazards,” according to a statement from the L.A.

From Los Angeles Times • May 15, 2026

By combining microscopy, chemical analysis, and protein sequencing, the team aimed to rule out contamination and strengthen the case that the molecules were original to the dinosaur itself.

From Science Daily • May 14, 2026

She also noted the risk of contamination and a lack of dosing standardization, which apply to all peptides people are buying online without prescriptions.

From The Wall Street Journal • May 11, 2026

However, if it is a different new world strain, for example one called Sin Nombre, which only circulates in North America, contamination in South America can be ruled out.

From Barron's • May 4, 2026

For younger samples–those under twenty thousand years or so–slight contamination does not always matter so much, but for older samples it can be a serious problem because so few remaining atoms are being counted.

From "A Short History of Nearly Everything" by Bill Bryson