|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a chattering or flighty, light-headed person.|
|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.
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