In more formal usage, parenthesis may refer to the entire bracketed text, not just to the punctuation marks used (so all the text in this set of round brackets may be said to be a parenthesis, a parenthetical, or a parenthetical phrase).
Carbon sequestration is the process involved in carbon capture and the long-term storage of atmospheric carbon dioxide (CO 2). Carbon sequestration describes long-term storage of carbon dioxide or other forms of carbon to either mitigate or defer global warming and avoid dangerous climate change.
sequestration. n. 1. the act of sequestering or state of being sequestered. 2. (Law) law the sequestering of property. 3. (Chemistry) chem the effective removal of ions from a solution by coordination with another type of ion or molecule to form complexes that do not have the same chemical behaviour as the original ions.