| / English Dictionary |
DIOXIDE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An oxide containing two atoms of oxygen in the molecule
Classified under:
Hypernyms ("dioxide" is a kind of...):
oxide (any compound of oxygen with another element or a radical)
Hyponyms (each of the following is a kind of "dioxide"):
nitrogen dioxide (a highly poisonous brown gas (NO2))
carbon dioxide; carbonic acid gas; CO2 (a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis)
chlorine dioxide (an explosive gas (ClO2) used chiefly in bleaching paper or starch or soap or flour and in water purification)
sulfur dioxide; sulphur dioxide (a colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many manufacturing processes and present in industrial emissions; causes acid rain)
Context examples:
Green algae also absorb carbon dioxide and produce oxygen.
(Scientists report skyrocketing phyotplankton population in aftermath of Kīlauea eruption, Wikinews)
Stomata are the pores that let in carbon dioxide, allowing a tree to carry out photosynthesis.
(What's killing trees during droughts?, National Science Foundation)
A measurement of the pressure of carbon dioxide in a biological specimen.
(Partial Pressure of Carbon Dioxide Measurement, NCI Thesaurus/CDISC)
Between the aluminum top and the silicon bottom is a very thin layer of silicon dioxide.
(Harvesting Electrical Power from Waste Heat, The Titi Tudorancea Bulletin)
A measurement of the partial pressure of carbon dioxide in a sample.
(Partial Pressure of Carbon Dioxide Measurement, NCI Thesaurus)
During photosynthesis, water and carbon dioxide combine to form carbohydrates (sugars) and give off oxygen.
(Photosynthesis, NCI Dictionary)
In the second and third steps, further oxidation makes more NADPH and releases carbon dioxide, shortening the sugar from six carbons to five (D-ribulose 5-phosphate).
(Oxidative Reactions of the Pentose Phosphate Pathway, NCI Thesaurus/BIOCARTA)
The process through which light energy, water, and carbon dioxide are converted to carbohydrate and oxygen in the presence of chlorophyll.
(Photosynthesis, NCI Thesaurus)
The blood-brain barrier lets some substances, such as water, oxygen, carbon dioxide, and general anesthetics, pass into the brain.
(Blood-brain barrier, NCI Dictionary)
Measures the acidity (pH) and the levels of oxygen, carbon dioxide, and bicarbonate in the blood.
(Arterial Blood Gas Measurement, NCI Thesaurus)
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