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Longman Dictionary of Contemporary English
dioxide
noun
COLLOCATIONS FROM OTHER ENTRIES
carbon dioxide
sulfur dioxide
sulphur dioxide
sulphur dioxide/carbon dioxide/greenhouse gas etc emissions
▪ The treaty calls for a 30% reduction in sulphur dioxide emissions.
sulphur dioxide/carbon dioxide/greenhouse gas etc emissions
▪ The treaty calls for a 30% reduction in sulphur dioxide emissions.
COLLOCATIONS FROM CORPUS
■ ADJECTIVE
atmospheric
▪ As levels of atmospheric carbon dioxide and methane increase, the greenhouse effect will trap increasing amounts of heat.
▪ Estimating the future rate of energy growth is of critical importance for predicting future concentration of atmospheric carbon dioxide.
reducing
▪ The government is committed to reducing sulphur dioxide emissions by 60 percent to their 1980 levels by 2005.
▪ The government has committed itself to reducing carbon dioxide emissions to 1990 levels by the year 2000.
■ NOUN
carbon
▪ So more and more coal, gas and oil are burned producing more carbon dioxide.
▪ Life generates methane, ammonia, oxygen, hydrogen, carbon dioxide, and many other gases.
▪ And burning coal, of course, produces, carbon dioxide as well as sulphur dioxide.
▪ The most obvious source, and one that is ubiquitous on the Martian surface, is carbon dioxide in the atmosphere.
▪ Implementing the directive across the 12 member states would save an estimated 26 million tonnes of carbon dioxide emissions a year.
▪ This waste may be burned to make a mixture of carbon dioxide, water, and nitrogen.
▪ This carbon dioxide is first transformed to carbonates, and incorporated in the shells of sea creatures.
▪ The more the continents are exposed to weathering, the more carbon dioxide is drawn down from the atmosphere.
concentration
▪ Changes in the size of boreal forests and carbon dioxide concentrations have moved in step for most of this century.
▪ They were surprised to find that carbon dioxide concentrations were higher in water taken from inside the algal blooms than outside it.
emission
▪ No cut in carbon dioxide emission is planned, merely stabilisation by 2005.
▪ Trees that could have been used to eat your car's microscopic carbon dioxide emissions.
▪ Removing these areas of high sensitivity will make targets for reduction of sulphur dioxide emissions easier to reach.
▪ All three books also cover the effects of carbon dioxide emissions in the atmosphere.
▪ This is because of the higher levels of carbon dioxide emissions from coal-fired stations compared with natural gas.
▪ The document proposes the stabilisation of carbon dioxide emissions by 2000 - a target which is likely to disappoint some.
▪ Carbon dioxide emissions will increase by between 9 and 23 percent, and fuel consumption will rise by 3-9 percent.
▪ Reducing carbon dioxide emissions to required levels will not be achieved by ceasing to mine coal in Britain.
gas
▪ When they are burned, their carbon combines with oxygen from the atmosphere to form carbon dioxide gas.
▪ They produce bubbles of carbon dioxide gas, which push the cake or bread batter up.
▪ Sodium bicarbonate plus an acid will produce bubbles of carbon dioxide gas.
level
▪ Nitrogen dioxide levels in central London rose by 40 percent between 1979 and 1989.
▪ For two years in Bio2, carbon dioxide levels meandered up and down.
▪ Much progress has been made countrywide to reduce sulphur dioxide levels, which have fallen by nearly half since 1970.
▪ But the general principle seems secure: we must beware of any further large increases in the carbon dioxide level.
▪ The sulphur dioxide level in Belfast was 32 parts per billion while the nitrogen dioxide level was 48.
▪ The only way they add to carbon dioxide levels is through the power consumed in their manufacture.
nitrogen
▪ It is usually caused by the emission of particulates or nitrogen dioxide.
▪ The sulphur dioxide level in Belfast was 32 parts per billion while the nitrogen dioxide level was 48.
▪ The southern California air basin is the only area in the country that still fails to meet the nitrogen dioxide standard.
▪ The gas is cleaned prior to burning and the sulphur dioxide and nitrogen dioxide, thought to contribute to acid rain, removed.
▪ However, this statistic conceals that levels of nitrogen dioxide have changed little since 1983.
▪ Of those figures, Britain contributed 1.84 million tonnes of sulphur and an equal amount of nitrogen dioxide.
▪ Apart from general operating conditions, it has set emission limits for sulphur dioxide, nitrogen dioxide and carbon monoxide.
sulphur
▪ And burning coal, of course, produces, carbon dioxide as well as sulphur dioxide.
▪ The maps will be used to show that current plans to reduce sulphur dioxide emissions from power stations will meet international commitments.
▪ Nox, together with sulphur dioxide, is one of the leading contributors to acid rain pollution.
▪ Much progress has been made countrywide to reduce sulphur dioxide levels, which have fallen by nearly half since 1970.
▪ Levels of sulphur dioxide in the air reached 2,400 microgrammes per cubic metre over the weekend.
▪ The sulphur dioxide level in Belfast was 32 parts per billion while the nitrogen dioxide level was 48.
▪ Recorded emissions of sulphur dioxide were 2.67 million tonnes in 1992, while nitrous oxides totalled 701,645 tonnes.
titanium
▪ The mixture is coagulated and titanium dioxide is added to adjust the weight.
▪ Nor is there any likelihood of competition being diminished, except in the case of one minor product, titanium dioxide.
▪ Details from Society of Cosmetic Chemists Titanium dioxide.
■ VERB
absorb
▪ These plants absorb the carbon dioxide released by the corals and so help to keep the water oxygenated.
▪ Rainforests absorb carbon dioxide and produce the oxygen essential for all life, including our own.
▪ One way of absorbing the extra carbon dioxide would be to plant more trees.
▪ Living tropical forests also absorb carbon dioxide.
cut
▪ It estimates that in that time it cut its carbon dioxide emissions by more than 20 percent.
▪ Doubling rail traffic would cut carbon dioxide emissions by only about 3 percent.
▪ Speeding up urban traffic could save 10 percent of fuel, and so cut back on carbon dioxide.
increase
▪ As irradiance increases the carbon dioxide supply becomes more important and eventually limiting.
▪ At that point, however, the still increasing emissions of carbon dioxide will begin the upward spiral once more.
▪ Any tissue starved of oxygen increases its carbon dioxide production and the lungs compensate by deep and sighing respirations.
produce
▪ So more and more coal, gas and oil are burned producing more carbon dioxide.
▪ They produce bubbles of carbon dioxide gas, which push the cake or bread batter up.
▪ And burning coal, of course, produces, carbon dioxide as well as sulphur dioxide.
▪ And it probably always will, since no conceivable technology can prevent petroleum combustion from producing carbon dioxide.
▪ The most immediate is that they take up oxygen from water to support their respiration and produce carbon dioxide.
▪ Sodium bicarbonate plus an acid will produce bubbles of carbon dioxide gas.
▪ The yeast feeds on the sugar and produces alcohol and carbon dioxide.
▪ Instead the bubbles are produced by injecting carbon dioxide into the finished wine.
reduce
▪ The new plan focused on reducing carbon dioxide emissions by cutting energy consumption.
▪ Other companies have studied ways to offset or reduce emissions of carbon dioxide.
▪ The maps will be used to show that current plans to reduce sulphur dioxide emissions from power stations will meet international commitments.
▪ When carbon monoxide is the reducing agent, carbon dioxide is produced.
▪ It would also reduce sulphur dioxide and nitrous oxide emissions, which cause acid rain, by 42,000 tonnes.
▪ Much progress has been made countrywide to reduce sulphur dioxide levels, which have fallen by nearly half since 1970.
release
▪ Because the diesel engine uses so much less fuel it releases substantially less carbon dioxide into the atmosphere.
remove
▪ Potassium hydroxide is injected into the tube to remove carbon dioxide.
EXAMPLES FROM CORPUS
▪ Breathing air is cleansed of deadly carbon dioxide in a three-step process.
▪ Gases, such as carbon dioxide, dissolve in liquids and can precipitate out as solids.
▪ Joseph Black had described carbon dioxide in 1756 while Henry Cavendish described hydrogen in 1766.
▪ Mr Bondevik wanted to postpone building gas plants until emissions of environmental-damaging carbon dioxide can be cut.
▪ Speeding up urban traffic could save 10 percent of fuel, and so cut back on carbon dioxide.
▪ The main global-warming gas, after all, is carbon dioxide, given off mainly by burning fossil fuels.
▪ The water vapor can then be cycled by reacting it with carbon monoxide to make carbon dioxide and hydrogen.
▪ When we breathe we take oxygen into the body and expel the waste gas, carbon dioxide, or CO2.
The Collaborative International Dictionary
dioxide

Deutoxide \Deu*tox"ide\ (?; 104), n. [Pref. deut- + oxide.] (Chem.) A compound containing in the molecule two atoms of oxygen united with some other element or radical; -- usually called dioxide, or less frequently, binoxide. [1913 Webster] ||

Douglas Harper's Etymology Dictionary
Wiktionary
dioxide

n. (context chemistry English) Any oxide containing two oxygen atoms in each molecule.

WordNet
dioxide

n. an oxide containing two atoms of oxygen in the molecule

Wikipedia

Usage examples of "dioxide".

A good dose of sugar, or more carbon dioxide, will increase the acidosis enough to put you right.

Consequently the concentration of carbon dioxide in the alveolar air and the blood is increased and, the efficiency of the cerebral reducing valve being lowered, visionary experience becomes possible.

Changes had taken place in Argentil, particularly an increase in atmospheric carbon dioxide and water vapor, but those could be the result of natural long-term climatic changes.

The fool Klysterman was in charge of the carbon dioxide unit that cornered and destroyed the ergot fungus beside the reactor pool.

The hemoglobin takes up molecular oxygen in the lung capillaries, ozonizes it, and since hemin is easily reduced, the red cells give up oxygen to the muscle cells that need it, in return for carbon dioxide.

After it takes up the carbon dioxide, hemin turns purple and enters the vein system on the way back to the lungs, and we can forget it.

In the red corpuscle, a mass of hemin stands by to seize the carbon dioxide and offer more oxygen.

She repeats the procedure with a rock taken from the uninoculated control jar and then, as a precaution, takes tiny chips from several of the other inoculated cubes of rock, inserts them into a glass straw under carbon dioxide, and seals the straw by melting its ends in a Bunsen burner flame.

Solar cells provided energy for all the needs of the castle, and in the event of emergency food could be synthesized from carbon dioxide and water vapor, as well as syrup for Phanes, Peasants and Birds.

The hot springs and volcanoes work swiftly and directly, and return the water, the carbon dioxide, and a host of other vaporizable and soluble and fusible substances to the realm of solar activity, to the living surface zone of the earth.

Under the conditions of the assay the dioxide cannot be weighed, as it partly dissolves on breaking the current.

Grimes opened them himself, laughing wrily as the violently expanding carbon dioxide shot the corks up to the deckhead.

This time, they used the chlorine dioxide gas in the ventilation system in those sections of the building where traces of anthrax were found and the liquid form of chlorine dioxide in the office suite itself.

The carbon dioxide is boiled off, and the beryllia is then precipitated as hydrate with ammonia.

Our friend Eric Muller, a teacher at the Exploratorium, can make a fire that burns quite well in a carbon dioxide atmosphere.