This diagram shows the layers of the sky and atmosphere.
- The sky is the upper atmosphere covering the earth.The white light from the sun is filtered by the atmosphere to remove a larger portion of the blue wavelengths. As the blue light is scattered to a greater extent, your eyes respond to the light waves by registering larger amounts of blue light. This is why you see the sky as being blue.
An example of the sky is where people see the sun, moon and stars.
- Sky is defined as to hit, throw, shoot or hang up high in the air.
An example of sky is to toss a ball above the trees.
- the upper atmosphere, esp. with reference to its appearance: blue skies, a cloudy sky
- the expanse of the heavens that forms an apparent arch over the earth; firmament
- heaven, or the celestial regions
- climate or weather: the balmy southern sky
Origin of skyMiddle English from ON, a cloud, akin to Old English sceo, a cloud, Old High German scuwo, shadow from Indo-European base an unverified form (s)keu-, a cloud, Old High German scuwo, shadow from Indo-European base an unverified form (s)keu-, to cover, hide from source hide, Classical Latin cutis, skin, Classical Greek skytos, leather
transitive verbskied or skyed, sky′ing
- to hit, throw, shoot, etc. high in the air
- to hang (a picture) so high on a wall that it is not easily viewed
out of a (or the) clear (blue) sky
the sky's the limit
to the skies
- The expanse of air over any given point on the earth; the upper atmosphere as seen from the earth's surface.
- often skies The appearance of the upper atmosphere, especially with reference to weather: Threatening skies portend a storm.
- The celestial regions; the heavens: stars in the southern sky.
- The highest level or degree: reaching for the sky.
verbskied, sky·ing, skies,
- To hit or throw (a ball, for example) high in the air.
- To hang (a painting, for example) high up on the wall, above the line of vision.
Origin of skyMiddle English ski from Old Norse ské cloud ; see (s)keu- in Indo-European roots.
- Alternative spelling of -ski.