Usage examples (35)

• He had invented a device that used ozone to clean wine barrels.
• The term ozone hole or Antarctic ozone hole refers to the seasonal depletion of stratospheric ozone in a large area over Antarctica.
• For example, three atoms of oxygen form what we call ozone; two atoms of hydrogen uniting with one atom of oxygen form water.
• We were also careful of the sun's rays because the hole in the ozone is above Antarctica; we wore forty-five level sunblock twenty-four hours a day.