glottochronology

/glot-oh-kruh-nol-uh-jee, glot-uh-/US // ˌglɒt oʊ krəˈnɒl ə dʒi, ˌglɒt ə- //UK // (ˌɡlɒtəʊkrəˈnɒlədʒɪ) //

冰川时代学,冰河时代学,冰川时代,冰川时代论

Definitions

n.名词 noun

1
Linguistics.
- : the branch of lexicostatistics that studies the rate of replacement of vocabulary and attempts to determine what percentage of basic vocabulary two presently distinct but related languages share, using the information thus obtained to estimate how long ago they ceased being a single language.