The Clue
Upper reaches of space (5 letter answer)
The Answer
ETHER
Tags
Notes
The answer ETHER is seen frequently, appearing about once every 110 puzzles.
Related Clues
An anesthetic
Anesthetic
The heavens
Bygone anesthetic
Clear sky
The clear sky
Common solvent
Cousin of chloroform
Early anesthetic
Ethyl oxide
Flammable anesthetic
Knockout number?
Old anesthetic
Potent anesthetic
Upper air
Upper atmosphere
Upper regions
Upper space
Air beyond the clouds
Dimethyl ___ (aerosol propellant)
Old-fashioned anesthetic
Once-popular anesthetic
Onetime dental anesthetic
Pre-Novocain stuff
Upper regions of space
Wild blue yonder
Fifth element, per Aristotle
It puts people out
It'll knock you out
Pre-op inhalant, once
It can knock people out
One on it may be out of it
Definition
ETHER as a noun:
1. (ether, ethoxyethane, divinyl ether, vinyl ether, diethyl ether, ethyl ether) = a colorless volatile highly inflammable liquid formerly used as an inhalation anesthetic
2. (quintessence, ether) = the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
3. any of a class of organic compounds that have two hydrocarbon groups linked by an oxygen atom
4. (ether, aether) = a medium that was once supposed to fill all space and to support the propagation of electromagnetic waves