Carbonic-anhydrase
an enzyme that catalyzes the reversible combination of carbon dioxide with water in red blood cells.
noun
an enzyme in blood cells that catalyses the decomposition of carbonic acid into carbon dioxide and water, facilitating the transport of carbon dioxide from the tissues to the lungs
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- Carbonic-anhydride
a colorless, odorless, incombustible gas, CO 2 , present in the atmosphere and formed during respiration, usually obtained from coal, coke, or natural gas by combustion, from carbohydrates by fermentation, by reaction of acid with limestone or other carbonates, or naturally from springs: used extensively in industry as dry ice, or carbon dioxide snow, in […]
- Carboniferous
noting or pertaining to a period of the Paleozoic Era, including the Pennsylvanian and Mississippian periods as epochs, occurring from 345 million to 280 million years ago. (lowercase) producing carbon or coal. the Carboniferous Period or System. Historical Examples At the close of Carboniferous times a marked change took place in the nature of the […]
- Carbonize
to char (organic matter) until it forms carbon. to coat or enrich with carbon. to become carbonized. Historical Examples The material began to carbonize at a temperature of 140° to 150°. Some Constituents of the Poison Ivy Plant: (Rhus Toxicodendron) William Anderson Syme To carbonize wood under a movable covering, the plan of meiler, or […]
- Carbonium
carbonium carbonium car·bo·ni·um (kär-bō’nē-əm) n. An organic cation having one less electron than a corresponding free radical and with positive charge localized on the carbon atom.
- Carbonium-ion
an organic ion containing a positively charged carbon atom (opposed to carbanion). noun (chem) a positively charged organic ion in which most of the positive charge is localized on a carbon atom Compare carbanion