ozone

noun \ ˈō-ˌzōn \
Updated on: 21 Nov 2017

Definition of ozone

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

ozonic

play \ō-ˈzō-nik, -ˈzä-\ adjective

Examples of ozone in a Sentence

  1. Scientists are concerned about ozone depletion.

  2. A light breeze filled the rooms of our seaside cottage with ozone.

Recent Examples of ozone from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ozone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of ozone

German Ozon, from Greek ozōn, present participle of ozein to smell — more at odor

Other Climate/Meteorology Terms


OZONE Defined for English Language Learners

ozone

noun

Definition of ozone for English Language Learners

  • : a form of oxygen that is found in a layer high in the earth's atmosphere

  • : fresh healthy air especially near the sea


OZONE Defined for Kids

ozone

noun \ ˈō-ˌzōn \

Definition of ozone for Students

: a faintly blue form of oxygen that is present in the air in small quantities

Medical Dictionary

ozone

noun \ ˈō-ˌzōn \

medical Definition of ozone

: a triatomic very reactive form of oxygen that is a bluish irritating gas of pungent odor, that is formed naturally in the atmosphere by a photochemical reaction and 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

ozonic

play \ō-ˈzō-nik, -ˈzän-ik\ adjective


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