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Vocabulary

19,295 words · meanings, pronunciation and origins · ranked by use

Letter
abcdefghijklmnopqrstuvwxyz
Level
A1A2A2+B1B1+B2B2+C1C2
Part of speech
nounverbadjectiveadverbprepositionpronounphrase

246 words · showing 241–246

clear filters
  • oxygen/ˈɒksɪd͡ʒən/nounB12 meaningsThe gas in the air that living things breathe and fires need.
  • oxygen masknounB2The mask that drops if cabin air pressure fails.
  • oxymoron/ɒksɪˈmɔːɹɒn/nounC1A phrase that joins two words that contradict each other.
  • oyster/ˈɔɪ.stə/nounB1+A sea creature living in a rough hinged shell.
  • ozone/ˈəʊzəʊn/nounB2+A gas that forms a protective layer high in the atmosphere.
  • ozone layer/ˈəʊzəʊn ˌlɛə/
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nounB2
The high band of gas that blocks harmful sunlight.