Webster's 1913 Dictionary

OZONE

O "zone, n. Etym: [Gr. Odor. ] (Chem. )

 

Defn: A colorless gaseous substance (O

 

OZONE PAPER

OZONE PAPER O "zone pa "per. (Chem. )

 

Defn: Paper coated with starch and potassium iodine. It turns blue when exposed to ozone. >-- also called starch-iodide paper -->

 

P.

 

New American Oxford Dictionary

ozone

o zone |ˈōˌzōn ˈoʊˌzoʊn | ▶noun a colorless unstable toxic gas with a pungent odor and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O 2 ) in having three atoms in its molecule (O 3 ). • short for ozone layer. • informal fresh invigorating air, esp. that blowing onto the shore from the sea. DERIVATIVES o zon ic |ōˈzänik |adjective ORIGIN mid 19th cent.: from German Ozon, from Greek ozein ‘to smell. ’

 

ozone-friendly

o zone-friend ly |ˈoʊzoʊn ˈˌfrɛndli | ▶adjective (of manufactured products ) not containing chemicals that are destructive to the ozone layer.

 

ozone hole

o zone hole |ˈoʊˌzoʊn hoʊl | ▶noun a region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of chlorofluorcarbons and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer.

 

ozone layer

o zone lay er |ˈoʊˌzoʊn ˈleɪər | ▶noun a layer in the earth's stratosphere at an altitude of about 6.2 miles (10 km ) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

 

Oxford Dictionary

ozone

ozone |ˈəʊzəʊn | ▶noun [ mass noun ] 1 a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O 2 ) in having three atoms in its molecule (O 3 ). • short for ozone layer. 2 Brit. informal fresh invigorating air, especially that blowing on to the shore from the sea. DERIVATIVES ozonic |əʊˈzɒnɪk |adjective ORIGIN mid 19th cent.: from German Ozon, from Greek ozein ‘to smell ’.

 

ozone-friendly

ozone-friendly ▶adjective (of manufactured products ) not containing chemicals that are destructive to the ozone layer.

 

ozone hole

ozone hole ▶noun a region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of CFCs and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer.

 

ozone layer

ozone layer ▶noun a layer in the earth's stratosphere at an altitude of about 10 km (6.2 miles ) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun.

 

French Dictionary

ozone

ozone n. m. nom masculin Corps simple gazeux. Note Technique Attention au genre masculin de ce nom: un ozone. LOCUTIONS Couche d ’ozone. Couche inférieure de la stratosphère, située entre 15 et 40 km d ’altitude, dans laquelle on observe la quasi-totalité de l ’ozone atmosphérique (GDT ). Trou d ’ozone. Zone de l ’atmosphère où l ’on observe une diminution de la concentration en ozone. Prononciation Les o se prononcent comme dans le mot zone ou comme dans le mot bonne [ozon, ɔzɔn ]

 

Sanseido Wisdom Dictionary

ozone

o zone /óʊzoʊn, --́ /名詞 U 1 〘化 〙オゾン .2 ｟くだけて ｠(海岸などの )新鮮な空気 .～́ depl è tion オゾン層破壊 .～́ h ò le オゾンホール 〘オゾン層中その濃度が極端に減少している部分 〙.～́ l à yer 〖the ～〗オゾン層 .

 

ozone-friendly

ò zone-fr í endly 形容詞 〈製品などが 〉オゾン層を破壊しない ; オゾン層を破壊する化学薬品を含まない .