| 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. |
ethyl eth·yl (ěth'əl)
n.
The univalent hydrocarbon radical C2H5.
| ethyl (ěth'əl) Pronunciation Key
The radical C2H5, derived from ethane. |