0 a clear liquid used, especially in the past, as an anaesthetic to make people sleep before a medical operation -- （尤指旧时用于麻醉的）醚，乙醚
1 the sky or the air, especially considered as being full of radio waves -- 苍穹，太空；无线电波
There were no differences between pupae from control and selection lines in fat reserves (measured by ether extraction ; unpublished data).
That's where the ethers and the fluids and the essences cooperate.
The sample, saturated with sodium chloride, was extracted with 10% of its volume of diethyl ether.
A friend of mine once coined the term "ether-walkers" for this class of person.
Volatiles released by asparagus plants were extracted by diethyl ether after cryotrapping concentration, and identified by gas chromatography-mass spectrometry.
If specimens are greasy, they should certainly be washed in ether before examination.
Protoconsciousness seems to be comparable to "ether," the invisible form of matter that was once believed to fill all physical space.
Although the intended biolog ical applications remained basically undeveloped, he toyed with hypotheses linking his novel theory with the constitution of matter and the ether.
