2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/30623It is offered to consider word meanings changes in diachrony as semicontinuous random walk with reflecting and swallowing screens. The basic characteristics of word life cycle are defined. Verification of the model has been realized on the data of Russian words distribution on various age periods.4 pages, 1 table, 3 figures. Submitted to conference "Language in Sinchrony and Diachrony", to be held in Petrozavodsk State Pedagogical University (Russia), 15-17 October, 2001. (In Russian)Computation and LanguageI.2.7text