from The Century Dictionary and Cyclopedia
- Beyond or outside of the atmosphere.
Sorry, no etymologies found.
What hard information we have been able to assemble is taken wholly from long-range, extra-atmospheric study.
Are any extra-atmospheric, what kind of fuel do they utilize, what is their speed and range, and how are they armed?
Two sets of flexible wings folded tight against the fuselage for extra-atmospheric travel.
He showed that the absorption lines were present in undiminished force and number at this high altitude, thus placing their origin to extra-atmospheric causes.
This abrupt absorption was due to extra-atmospheric causes and perhaps to space.
It is therefore now clearly proved that the aurora borealis is not an extra-atmospheric phenomenon.
Aided by simultaneous observations from Lone Pine, at the foot of the Sierra, he was able to calculate the intensity belonging to each ray before entering the earth's gaseous envelope -- in other words, to construct an extra-atmospheric curve of energy in the spectrum.