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| a chattering or flighty, light-headed person. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| carbon footprint | |
| —n | |
| a measure of the amount of carbon dioxide released into the atmosphere by a single endeavour or by a company, household, or individual through day-to-day activities over a given period | |
| Main Entry: | carbon footprint |
| Part of Speech: | n |
| Definition: | a measure of the amount of carbon dioxide produced by a person, organization, or location at a given time |
| Example: | Carbon footprint describes the environmental impact of carbon emissions, measured in units of carbon dioxide. |
| Etymology: | 1999 |