Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
glottochronological is an adjective meaning "pertaining to the study of the evolution of languages from a common source". It carries one recorded sense.
pertaining to the study of the evolution of languages from a common source
“glottochronological studies”
Definitions, synonyms and semantic relations for glottochronological come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.