Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
spaciotemporal is an adjective meaning "existing in both space and time; having both spatial extension and temporal duration". It carries one recorded sense.
existing in both space and time; having both spatial extension and temporal duration
Definitions, synonyms and semantic relations for spaciotemporal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.