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Origin of oxygen
OTHER WORDS FROM oxygenox·y·gen·ic [ok-si-jen-ik], /ˌɒk sɪˈdʒɛn ɪk/, ox·yg·e·nous [ok-sij-uh-nuhs], /ɒkˈsɪdʒ ə nəs/, adjectiveox·y·gen·ic·i·ty [ok-si-juh-nis-i-tee], /ˌɒk sɪ dʒəˈnɪs ɪ ti/, noun
Words nearby oxygen
Example sentences from the Web for oxygen
Most carbohydrates have the same oxygen to hydrogen ratio as water.
Her aunt eventually recovered, was taken off a ventilator and is home, though she still needs oxygen.Coronavirus Hit Latinos Harder Thanks to a Perfect Storm of Disparities|Maya Srikrishnan|August 12, 2020|Voice of San Diego
Photosynthetic cyanobacteria that arose some 3 billion years ago, for instance, began terraforming the planet by emitting oxygen.How Earth’s Climate Changes Naturally (and Why Things Are Different Now)|Howard Lee|July 21, 2020|Quanta Magazine
Researchers found no benefit for hospitalized patients who didn’t need extra oxygen.The steroid dexamethasone is the first drug shown to reduce COVID-19 deaths|Tina Hesman Saey|June 16, 2020|Science News
So extra oxygen in the atmosphere may have provided the conditions for large insects to evolve.Minecraft’s big bees don’t exist, but giant insects once did|Carolyn Wilke|May 14, 2020|Science News For Students
It reacts very readily with oxygen by burning smokelessly, with carbon dioxide and water as its byproducts.
Their decay proceeded without a ready supply of oxygen, producing hydrocarbons like methane instead of oxygen-bearing molecules.
The brain, also an organ, is particularly sensitive to the loss of oxygen.
Neurons begin to die within four to six minutes of oxygen deprivation.
Oxygen levels will be decreased to accommodate fewer people.
That is, the sulphur always remains combined with four parts of oxygen.The Automobile Storage Battery|O. A. Witte
If the temperature is raised still higher, or the pressure is reduced, oxygen is given off and the oxide is once more formed.An Elementary Study of Chemistry|William McPherson
If oxygen is combined with nitrogen, it produces five deadly poisons, viz.A Guide to the Scientific Knowledge of Things Familiar|Ebenezer Cobham Brewer
Night drew on, and the lamp in the sitting-room already began to burn dim for want of oxygen.The Field of Ice|Jules Verne
Carbon, hydrogen, oxygen and nitrogen are all lifeless bodies.Lay Sermons, Addresses and Reviews|Thomas Henry Huxley
British Dictionary definitions for oxygen
- a colourless odourless highly reactive gaseous element: the most abundant element in the earth's crust (49.2 per cent). It is essential for aerobic respiration and almost all combustion and is widely used in industry. Symbol: O; atomic no: 8; atomic wt: 15.9994; valency: 2; density: 1.429 kg/m³; melting pt: –218.79°C; boiling pt: –182.97°C
- (as modifier)an oxygen mask
Derived forms of oxygenoxygenic (ˌɒksɪˈdʒɛnɪk) or oxygenous (ɒkˈsɪdʒɪnəs), adjective
Medical definitions for oxygen
n. Symbol O
Scientific definitions for oxygen
In 1786, the French chemist Antoine Lavoisier coined a term for the element oxygen (oxygène in French). He used Greek words for the coinage: oxy- means sharp, and -gen means producing. Oxygen was called the sharp-producing element because it was thought to be essential for making acids. Lavoisier also coined the name of the element hydrogen, the water-producing element, in 1788. Soon after, in 1791, another French chemist, J. A. Chaptal, introduced the word nitrogen, the niter-producing element, referring to its discovery from an analysis of nitric acid.