Ether is a noun referring to the clear, volatile liquid used historically as an anesthetic; it also denotes the clear sky or the upper air above the earth, and metaphorically, a space or medium through which signals, ideas, or emotions travel. In modern contexts, it can mean the hypothetical pervasive medium or a state of indeterminate space in science fiction. It is pronounced with a two-syllable pattern, typically stressed on the first syllable.
Full pronunciation guide
