As nouns the difference between geodes and geodesy
is that geodes is plural of geode while geodesy is the scientific discipline that deals with the measurement and representation of Earth, its gravitational field and geodynamic phenomena (polar motion, Earth tides, and crustal motion) in three-dimensional, time-varying space.
geodesy
Alternative forms
* (archaic)
Noun
(-)
the (l) discipline that deals with the measurement and representation of (l), its (l) field and (l) phenomena (polar motion, Earth tides, and crustal motion) in three-dimensional, time-varying space
Related terms
* geodetics
* geodetic
* geodetic surveying