oz -abbr

  1. ounce; ounces

Oz ['äz] -n

  1. an ideal or fantastical place

ozo·ke·rite [,ō-zō-'kir-,īt] -n

  1. a waxy mineral mixture of hydrocarbons that is colorless or white when pure and often of unpleasant odor and is used esp. in making candles and in electrotyping

ozon·a·tion [,ō-(,)zō-'nā-shən] -n, vt

  1. the treatment or combination of a substance or compound with ozone

ozone ['ō-,zōn] -n, adj

  1. a triatomic very reactive form of oxygen that is a bluish irritating gas of pungent odor, that is a major air pollutant in the lower atmosphere but a beneficial component of the upper atmosphere, and that is used for oxidizing, bleaching, disinfecting, and deodorizing
  2. pure and refreshing air
    • relished the ozone of morning

ozone hole -n

  1. an area of the ozone layer (as near the south pole) that is seasonally depleted of ozone

ozone layer -n

  1. an atmospheric layer at heights of about 20 to 30 miles (32 to 48 kilometers) that is normally characterized by high ozone content which blocks most solar ultraviolet radiation from entry into the lower atmosphere

ozon·ide ['ō-(,)zō-,nīd] -n

  1. a compound formed by the addition of ozone to a double or triple bond of an organic compound

ozon·ize [-,nīz] -vt, n

  1. to treat, impregnate, or combine with ozone

ozo·no·sphere [ō-'zō-nə-,sfir] -n

  1. ozone layer