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noun
glot·to·chro·nol·o·gy
ˌglä-tō-krə-ˈnä-lə-jē 
: a linguistic method that uses the rate of vocabulary replacement to estimate the date of divergence for distinct but genetically related languages
Word History
Etymology
First Known Use
1953, in the meaning defined above
Dictionary Entries Near glottochronology
Cite this Entry
“Glottochronology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glottochronology. Accessed 7 Dec. 2022.
More from Merriam-Webster on glottochronology
Britannica.com: Encyclopedia article about glottochronology
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