geodesy

 
Pronunciation: /dʒɪˈɒdɪsi/

noun

[mass noun]
  • the branch of mathematics dealing with the shape and area of the earth or large portions of it.

Derivatives

geodesist

noun

Origin:

late 16th century: from modern Latin geodaesia, from Greek geōdaisia, from gē 'earth' + daiein 'divide'