eclipse
- n one celestial body obscures another
- v be greater in significance than
- v cause an eclipse of (a celestial body) by intervention
The Sun eclipses the moon today
ecliptic
- n the great circle representing the apparent annual path of the sun; the plane of the Earth's orbit around the sun; makes an angle of about 23 degrees with the equator
all of the planets rotate the sun in approximately the same ecliptic
ecm
- n electronic warfare undertaken to prevent or reduce an enemy's effective use of the electromagnetic spectrum