o‧zone /ˈəʊzəʊn $ ˈoʊzoʊn/
noun [uncountable][
Date: 1800-1900;
Language: German;
Origin: ozon, from Greek, from ozein 'to smell']
1. technical a poisonous blue gas that is a type of oxygen
2. informal air near the sea, thought to be fresher and healthier
[TahlilGaran] Dictionary of Contemporary English ▲