sulphur dioxideˌsulphur diˈoxide British English, sulfur dioxide American English noun [uncountable] 
Examples
ExamplesEXAMPLES FROM THE CORPUS
word sets- Apart from general operating conditions, it has set emission limits for sulphur dioxide, nitrogen dioxide and carbon monoxide.
- Findings include: Some 600 million people live in urban areas where the average level of sulphur dioxide pollution endangers their lives.
- Levels of sulphur dioxide in the air reached 2,400 microgrammes per cubic metre over the weekend.
- Much progress has been made countrywide to reduce sulphur dioxide levels, which have fallen by nearly half since 1970.
- The sulphur dioxide level in Belfast was 32 parts per billion while the nitrogen dioxide level was 48.
- The fires produced 20,000 to 40,000 tonnes of sulphur dioxide as well as many thousands of tonnes of oxides of nitrogen.
- This stipulates that emissions of sulphur dioxide must be cut to 10 million tonnes below 1980 levels by the year 2000.
WORD SETS► Chemistry
a poisonous gas that is a cause of air pollution in industrial areasacetate, nounacid, nounacidic, adjectiveacidify, verbactive, adjectiveadditive, nounagent, nounalchemy, nounalcohol, nounalkali, nounalkaline, adjectiveamalgam, nounantioxidant, noun-ate, suffixatomic number, nounbase, nounbauxite, nounbeaker, nounbenzene, nounbiochemistry, nounbitumen, nounbleach, nounbond, nounbonding, nouncalcify, verbcarbohydrate, nouncarbonate, nouncarbon dioxide, nouncarbonize, verbcatalyst, nouncaustic, adjectivechain reaction, nounchemical, nounchemical, adjectivechemical reaction, nounchemist, nounchemistry, nounchlorinate, verbcitric acid, nouncombustion, nounconcentration, nouncondense, verbcontaminant, nouncontaminate, verbcontaminated, adjectivecorrode, verbcorrosion, nouncorrosive, adjectivecrucible, nouncrystal, nouncrystallize, verbcyanide, nounDDT, noundecay, verbdecay, noundecompose, verbdegrade, verbderive, verbdetoxification, noundextrose, noundioxin, noundispersion, noundissolve, verbdistill, verbeffervesce, verbeffervescent, adjectiveelectrolysis, nounelectrolyte, nounelectroplate, verbemulsify, verbemulsion, nounenzyme, nounexpand, verbfatty acid, nounferment, verbferment, nounflashback, nounflask, nounformaldehyde, nounformula, nounfructose, nounfungicide, nounfuse, verbgas, noungaseous, adjectiveglucose, noungranular, adjectivegraphite, nounhallucinogen, nounhelium, nounherbicide, nounhydrate, nouninert, adjectiveinsoluble, adjectiveinsulin, nounion, nounionize, verblactic acid, nounlimescale, nounlitmus, nounlitmus paper, nounlitmus test, nounmethane, nounmixture, nounmolecule, nounneon, nounnerve gas, nounneutralize, verbneutron, nounnitric acid, nounnucleic acid, nounnucleus, nounnutrient, nounorganic chemistry, nounosmosis, nounoxidize, verboxyacetylene, nounoxygenate, verbozone, nounpart, nounpectin, nounpesticide, nounpestle, nounpetrochemical, nounpH, nounphotosynthesis, nounplasma, nounpolyunsaturated, adjectivepotash, nounprecipitate, verbprecipitate, nounprecipitation, nounproduct, nounprussic acid, nounquicklime, nounradioactive, adjectiveradioactivity, nounradiology, nounreact, verbreaction, nounreactive, adjectivereagent, nounresidue, nounretort, nounriboflavin, nounsalt, nounsaltpetre, nounsaturate, verbsaturated, adjectivesaturation, nounsaturation point, nounsemiconductor, nounsoft, adjectivesolid, nounsolution, nounsolvent, nounstability, nounstabilizer, nounstable, adjectivestarch, nounsteam, nounsucrose, nounsulphate, nounsulphide, nounsulphur, nounsulphur dioxide, nounsulphuric acid, nounsulphurous, adjectivesurface tension, nounsuspension, nounsynthesize, verbsynthetic, adjectivetannin, nountartaric acid, nounTNT, noununstable, adjectivevalence, nounvitamin, nounvolatile, adjectivevulcanize, verbwater softener, nounwater-soluble, adjectivewater vapour, nounwetting agent, noun