Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

geodesy

play
noun ge·od·e·sy \jē-ˈä-də-sē\

Definition of geodesy

  1. :  a branch of applied mathematics concerned with the determination of the size and shape of the earth and the exact positions of points on its surface and with the description of variations of its gravity field

ge·od·e·sist play \-də-sist\ noun


Origin of geodesy

Greek geōdaisia, from geō- ge- + daiesthai to divide — more at tide


First Known Use: 1853

Rhymes with geodesy


Learn More about geodesy


Seen and Heard

What made you want to look up geodesy? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez duvet spindrift kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ