CEFR B2

background level

noun

Meaning

The baseline amount of a substance, radiation, or noise present in an environment before any specific activity or source is added.

Examples

The scientists monitored the background level of pollutants in the river to establish a baseline for their study.
The radiation background level in this area is perfectly safe for long-term habitation.

Synonyms: baseline, ambient level, natural level, base rate

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background level (B2)

noun

Pronunciation: ˈbækɡraʊnd ˈlevəl

Definition

The baseline amount of a substance, radiation, or noise present in an environment before any specific activity or source is added.

Examples

The scientists monitored the background level of pollutants in the river to establish a baseline for their study.
The radiation background level in this area is perfectly safe for long-term habitation.

How to Use background level

background level of (prepositional phrase): Specifies the substance or phenomenon being measured. — "The background level of carbon dioxide has increased over the last decade."

Synonyms of background level

Words with a similar meaning to background level:

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