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TOEFL BNC: 3719 COCA: 3839

oxygen

oxygen /ˈɑːksɪʤən/ noun
oxygen
/ˈɑːksɪʤən/
noun
Learner's definition of OXYGEN
[noncount]
: a chemical that is found in the air, that has no color, taste, or smell, and that is necessary for life氧;氧气
often used before another noun常用于另一名词前
TOEFL BNC: 3719 COCA: 3839

oxygen

noun

ox·​y·​gen ˈäk-si-jən How to pronounce oxygen (audio)
often attributive
1
: a chemical element that constitutes 21 percent of the Earth's atmosphere, that is capable of combining with all elements except some noble gases, that is active in physiological processes of almost all known organisms, and that is involved especially in combustion see Chemical Elements Table
2
: something that sustains or fuels
disagreement is the true oxygen of these magazines Joseph Epstein
oxygenless adjective

Example Sentences

Recent Examples on the Web When a pile is aerated, meaning it's exposed to oxygen, methane-producing microbes are not active, so methane is not created, according to the Department of Primary Industries and Regional Development in the Government of Western Australia. Megan Marples, CNN, 14 Sep. 2022 About a year ago, the Walers noticed that Maverick’s blood oxygen levels started to dip, which caused his lips and fingers to start to turn blue, Brad Waler said. Fox News, 13 Sep. 2022 But some, including children with asthma, can become short of breath and have low oxygen levels, requiring hospitalization. Lisa Schencker, Chicago Tribune, 12 Sep. 2022 When your heart is pumping when jumping rope, your oxygen and blood is traveling faster and more efficiently to your muscles. Tatiana Lampa, Good Housekeeping, 4 Aug. 2022 About 45 minutes after Crovetti posted the SOS call on Facebook, a relative sent another photo of her grandmother, this time hooked up to oxygen in a hospital. Jonathan Edwards, Washington Post, 3 Aug. 2022 Snake plants release their oxygen at night, so consider them for a room where someone is sleeping. Jeanette Marantosstaff Writer, Los Angeles Times, 14 July 2022 Its health functions include sensors and apps to measure your blood oxygen and take an ECG. Paris Wolfe, cleveland, 12 July 2022 Newer buildings in the city are required to have sprinkler systems and interior doors that automatically shut to contain smoke and reduce a fire's access to oxygen. NBC News, 10 Jan. 2022 See More

Word History

Etymology

French oxygène, from Greek oxys, adjective, acidic, literally, sharp + French -gène -gen; akin to Latin acer sharp — more at edge

First Known Use

1788, in the meaning defined at sense 1

Time Traveler
The first known use of oxygen was in 1788
TOEFL BNC: 3719 COCA: 3839
oxygen

noun

ADJECTIVE | VERB + OXYGEN | OXYGEN + NOUN | PHRASES ADJECTIVEpure純氧liquid液態氧atmospheric大氣中的氧VERB + OXYGENcarry, contain輸送氧氣;含氧the blood which carries oxygen to the brain把氧輸送到大腦的血液absorb, breathe, consume, take in, use up吸收/呼吸/消耗/吸入/耗盡氧氣generate, produce, release產生氧氣;釋放氧氣After dark the plants stop producing oxygen.天黑後植物不再製造氧氣。administer, give sb供給(某人)氧氣get, receive獲得氧氣The patient didn't seem to be getting enough oxygen.病人似乎缺氧。deprive sb/sth of, starve sb/sth of不給⋯氧氣;使⋯缺氧There was a risk the brain might be starved of oxygen.大腦可能有缺氧的危險。OXYGEN + NOUNatom, molecule氧原子;氧分子level, supply氧氣水平/供給consumption氧消耗deprivation缺氧mask氧氣面罩cylinder, tank氧氣瓶PHRASESa lack of oxygen缺氧a supply of oxygen供氧

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