active layer
Americannoun
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.
The ground contains a layer known as the "active layer," which freezes and thaws each year.
From Science Daily ● Apr. 4, 2026
When electricity passes through, electrons and holes recombine inside the active layer.
From Science Daily ● Mar. 4, 2026
Permafrost still covers 85 percent of the state, but “almost everywhere, the depth of the active layer is increasing over the last few decades,” said Thoman.
From Slate ● Mar. 11, 2015
Increased phase separation and crystallization have a profound effect on the photophysical and transport properties of the active layer.
From Nature ● Aug. 15, 2012
Because the frozen permafrost was just a half meter beneath the active layer of soil, all the water on the tundra stayed near the surface.
From "Two Degrees" by Alan Gratz
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