noun · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/dʒiːˈɒdɪsi/
Canada, US:/d͡ʒiˈɑdəsi/
Australia:Recorded audio is listed in the source snapshot.
CMU ARPABET:JH IY0 AA1 D AH0 S IY0
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The discipline which 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.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: geography, natural-sciences, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
the branch of geology that studies the shape of the earth and the determination of the exact position of geographical points
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: geophysics, geophysical science
History
Etymology
From French géodésie, from Medieval Latin geōdaesia, from Ancient Greek γεωδαισία (geōdaisía), from γῆ (gê, “earth”) + δαίω (daíō, “to divide”). By surface analysis, geode + -esy.
Across languages
Translations
47 source translations are retained for this English entry.