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.

Some scientists argued the reported materials were modern contamination or bacterial residue rather than authentic dinosaur molecules.

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

Lisowska was fired for breaking health and safety rules in respect of food contamination.

From BBC • May 10, 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