Topic: NATURE
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slope1 W3

1 [countable]DN a piece of ground or a surface that slopes :
She looked back up the grassy slope.
She looked back up the grassy slope.2 an area of steep ground covered with snow that people ski down :
3 [singular] the angle at which something slopes in relation to a flat surface :
a slope of 30 degrees
a slope of 30 degrees