Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
palaetiology is a noun meaning "the explanation of past events in terms of scientific causes (as geological causes)". It carries one recorded sense.
the explanation of past events in terms of scientific causes (as geological causes)
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for palaetiology come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.