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OZONE LAYER
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
Synonyms:
ozone layer; ozonosphere
Classified under:
Nouns denoting natural objects (not man-made)
Hypernyms ("ozone layer" is a kind of...):
layer (a relatively thin sheetlike expanse or region lying over or under another)
Meronyms (parts of "ozone layer"):
ozone hole (an area of the ozone layer (near the poles) that is seasonally depleted of ozone)
Holonyms ("ozone layer" is a part of...):
stratosphere (the atmospheric layer between the troposphere and the mesosphere)
