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Science glossary

threshold

umbral

the level that must be reached before an effect starts to appear.

Example

If a chemical harms fish only above 0.05 ppm, that amount is the threshold.

In Spanish

umbral — el nivel que hay que alcanzar para que un efecto empiece a aparecer.

Si una sustancia química daña a los peces solo por encima de 0.05 ppm, esa cantidad es el umbral.

Related words

The same word in other subjects

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