TAI, on which UTC is based, is defined as the passage of proper time on Earth's geoid.
geoid
How to use geoid in a sentence. Example sentences and definitions for geoid.
Editorial note
TAI, on which UTC is based, is defined as the passage of proper time on Earth's geoid.
Quick take
TAI, on which UTC is based, is defined as the passage of proper time on Earth's geoid.
Example sentences
So you look up geoid in the dictionary and find that geoid means "Earth shaped".
There's another meaning of geoid, which is the shape of mean sea level of the globe.
In reality it's a potato like mass blob that's approximated by what geodesists call the "geoid".
My example: GPS data gives altitude above the spheroid; KML requires altitude above the geoid.
Frequently asked questions
Short answers drawn from the clearest meanings and examples for this word.
How do you use geoid in a sentence?
TAI, on which UTC is based, is defined as the passage of proper time on Earth's geoid.