Similar words: zone, amazon, blazon, horizon, emblazon, zonation, comfort zone, buffer zone. Meaning: ['əʊzəʊn] 
n. a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation).
n. a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation). 
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1 Ozone is a highly reactive form of oxygen gas.
2 The ozone layer surrounding the earth protects our skin from being hurt by the ultraviolet rays.
3 Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.
4 Scientists have observed a drop in ozone levels over the Antarctic.
5 Depletion of the ozone layer leaves the earth's surface increasingly exposed to harmful radiation from the sun.
6 The ozone layer is disappearing over northern Europe.
7 CFCs cause damage to the ozone layer.
8 The ozone layer absorbs solar radiation.
9 Ozone is the earth's barrier against ultra-violet radiation.
10 Ozone is the earth's primary filter for ultraviolet radiation.
11 Just breathe in the ozone on the sea.
12 Ozone is produced by the reaction between oxygen and ultra-violet light.
13 The W.H.O. safety standard for ozone levels is somewhere about a hundred.
14 The ozone layer forms a shield against harmful solar rays.
15 The ozone layer filters harmful UV rays from the sun.
16 The machine uses minute quantities of ozone to sterilise and deodorise refrigerated food vehicles.
17 The ozone layer screens out dangerous ultraviolet rays from the sun.
18 The ozone layer shields the earth from the sun's ultraviolet rays.
19 Press reports revealed that ozone levels in the upper atmosphere fell during the past month.
20 Alarmingly,[www.Sentencedict.com] the hole in the ozone layer has doubled in size this year.
21 During the 1980s, the amount of ozone in the stratosphere above Europe decreased by about 8%.
22 They will press for international action to safeguard the ozone layer.
23 It is widely known that CFCs can damage the ozone layer.
24 Various ecological issues have come to the fore since the discovery of the hole in the Earth's ozone layer.
25 What they find could provide clues to what might happen worldwide if ozone depletion continues.
26 A team of scientists has been studying the chemistry of the ozone layer.
27 Our discussion ranged over various topics, such as acid rain and the hole in the ozone layer.
28 The use of CFCs has been linked to the depletion of the ozone layer.
29 The rise in greenhouse gases parallels the reduction in the ozone layer.
30 Global warming could be accelerated due to the thinning of the ozone layer.
More similar words: zone, amazon, blazon, horizon, emblazon, zonation, comfort zone, buffer zone, horizontal, littoral zone, demilitarized zone.