|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.|
|ethane (ěth'ān') Pronunciation Key
A colorless, odorless, flammable gas occurring in natural gas. It is used as a fuel and in refrigeration. Ethane is the second member of the alkane series. Chemical formula: C2H6.
a colourless, odourless, gaseous hydrocarbon (compound of hydrogen and carbon), belonging to the paraffin series; its chemical formula is C2H6. Ethane is structurally the simplest hydrocarbon that contains a single carbon-carbon bond. The second most important constituent of natural gas, it also occurs dissolved in petroleum oils and as a by-product of oil refinery operations and of the carbonization of coal.
Learn more about ethane with a free trial on Britannica.com.