glottochronology noun. [,glɒtǝʊkrǝ'nɒlǝdʒi] M20.
[from GLOTTO- + CHRONOLOGY.]
Linguistics. The use of statistics to determine the degree of relationship between two or more languages and the chronology of their divergence from a common source.

■ glottochrono'logic,

■ glottochrono'logical adjectives M20.

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