Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
geosynchronous is an adjective meaning "of or having an orbit with a fixed period of 24 hours (although the position in the orbit may not be fixed with respect to the earth)". It carries one recorded sense.
of or having an orbit with a fixed period of 24 hours (although the position in the orbit may not be fixed with respect to the earth)
Definitions, synonyms and semantic relations for geosynchronous come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.