Zotova A.K., Kolomatsky D.I., Romanova O.I.
The paper outlines lacunae in the latest version of the «Languages of the World» Da-tabase (Institute of Linguistics, RAS). Lacunae of various origins and types are analysed along with linguistic terminology representing different descriptive traditions, primarily based on the «Languages of the World» encyclopedia (Institute of Linguistics, RAS). The topic can be of interest for those dealing with applied linguistics, linguistic typology and databases.