ozone hole 1
noundomain: natural obj.
Princeton WordNet [ver.3.1]
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EnglishDefinition
an area of the ozone layer (near the poles) that is seasonally depleted of ozone
Hypernym
hole 1
noun
an opening into or through something
Part_meronym
ozone layer 1
noun
a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
EnglishPart_holonym
ozone layer 1
noun
a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
