base level

American  

noun

Geology.

1. the lowest level to which running water can erode the land.

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base level British  

noun

1. the lowest level to which a land surface can be eroded by streams, which is, ultimately, sea level

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Etymology

Origin of base level

First recorded in 1870–75

Example Sentences

“This is really very interesting and it really does add significantly to the base level of information on this,” Mr. Sick said.

From New York Times

"It became my life and I just became this almost kind of feral human being. I was living at the most base level," said Franc.

From BBC

"Tremendous resources are placed in the hands of the police to ensure a base level of order in society," said Chidi, who is Black.

From Fox News

Europe, mirroring the lifting of lockdowns, grew 23% from the low base level last year, but still lagging the pre-pandemic level.

From Reuters

“Harris County is being attacked already at a base level because it is one of the most diverse counties in the country,” Mr. Hollins said.

From New York Times