Browse Lemmas

Lemmas found: 74

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spring

A place where water naturally flows out of the ground.

Noun natural_feature Level 219
storm

a violent weather event characterized by strong winds, often with rain, snow, thunder, or lightning

Noun natural_feature Level 219
sunset

the time when the sun disappears below the horizon.

Noun natural_feature Level 219
volcano

A mountain or hill with a crater or vent through which molten rock, ash, and gases are or have been erupted from the Earth's crust.

Noun natural_feature Level 219
waterfall

a steep descent of a river or stream, where water falls from a height over rocks or a cliff

Noun natural_feature Level 219
landscape

A broad view of natural scenery, especially as seen from a particular place.

Noun natural_feature Level 330
woodland

Land covered mainly with trees, especially a smaller or less dense area of trees than a forest.

Noun natural_feature Level 1010
coastline

The boundary where land meets the sea; the outline or strip of land along a coast.

Noun natural_feature Level 1020
confluence

The place where two or more rivers, streams, or other flowing bodies of water meet and join.

Noun natural_feature Level 1020
shoreline

The line where a body of water meets the land; the edge of a sea, lake, river, or other water body.

Noun natural_feature Level 1020
snowfall

The amount of snow that falls during a particular time or storm.

Noun natural_feature Level 1020
strait

A narrow passage of water connecting two larger bodies of water.

Noun natural_feature Level 1020
summit

The highest point of a mountain or hill.

Noun natural_feature Level 1020
tributary

A river or stream that flows into a larger river, lake, or other body of water.

Noun natural_feature Level 1020
halo

A ring of light around the sun, moon, or another bright object, caused by reflection or refraction in the atmosphere.

Noun natural_feature Level 1050
lithosphere

The rigid outer layer of Earth, consisting of the crust and the uppermost solid mantle, and lying above the softer asthenosphere.

Noun natural_feature Level 1050
magma

Molten or partly molten rock beneath the Earth's surface, from which igneous rocks form when it cools.

Noun natural_feature Level 1050
mantle

A layer surrounding or covering something, especially the Earth beneath the crust or the tissue surrounding an organ.

Noun natural_feature Level 1050
rainbow

A curved band of colored light, usually seen in the sky opposite the sun when sunlight is refracted and reflected by raindrops.

Noun natural_feature Level 1050
runoff

Water that flows over the ground or other surfaces, especially after rain or snowmelt, often carrying soil or pollutants into rivers and lakes.

Noun natural_feature Level 1050
spectrum

A band of colors or other visible wavelengths produced when light is separated according to wavelength.

Noun natural_feature Level 1050
supernova

A powerful stellar explosion in which a star suddenly becomes vastly brighter and then gradually fades, often leaving behind a neutron star or black h...

Noun natural_feature Level 1050
vortex

A mass of air, water, or another fluid that spins rapidly around a central point, often forming a whirling column or spiral.

Noun natural_feature Level 1050
moguls

A series of rounded bumps on a ski slope, or a freestyle skiing event in which competitors ski over them.

Noun natural_feature Level 1221