HyperDic: ozone_hole

English > 1 sense of the expression ozone hole:
NOUNobjectozone holean area of the ozone layer (near the poles) that is seasonally depleted of ozone
English > ozone hole: 1 sense > noun 1, object
MeaningAn area of the ozone layer (near the poles) that is seasonally depleted of ozone.
Part ofozone layer, ozonosphereA layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
BroaderholeAn opening into or through something
Spanishagujero de ozono

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