Russian Learners' Dictionary: Vocabulary Construction and Methodology

These flashcards cover the key terminology, statistical thresholds, and methodologies described in the introduction of the Russian Learners' Dictionary by Nicholas J. Brown.

Nicholas J. Brown

Author of the dictionary and Senior Lecturer in Russian at the School of Slavonic and East European Studies, University College London.

10,000 words

The conventional round number representing the active vocabulary of a university-educated Russian native speaker.

60,000 words

The estimated passive vocabulary known by a university-educated Russian native speaker.

First 2,000 words

Considered the core vocabulary of Russian, guaranteeing recognition of at least 75 per cent of words in any text.

8,000 words

The graduate competence level that guarantees practical recognition of approximately 97 per cent of words in any Russian text.

absolute frequency

A measurement based only on the number of total occurrences of a word (lexeme) within a specific volume of text.

modified frequency

A refined methodology that accounts for how evenly a word is distributed across different types of text, adjusting its importance in general frequency lists.

range of occurrence

The statistical distribution of a particular word across various different texts and text types.

Zasorina

The primary source for the list, editor of the Russian Frequency Dictionary (Частотный словарь русского языка) published in 1977.

Lennart Lönngren

Researcher from Uppsala University whose 1993 frequency count using mathematically rigorous formulas was used to modify the list.

alphabetical blocks

Sections found after the first 2,000 items where words of equal frequency are listed in alphabetical order.

Items 1–2000 frequency band

The commonest words in Russian occurring between 30,000 and 65 times per million words of text.

Items 8000–10000 frequency band

Rare words in the list that occur between 10 and 8 times per million words of text.

aspectual partners

Verbs like читать and прочитать which are treated as two separate lexemes because their respective frequencies can vary significantly.

fleeting (mobile) vowel

A vowel indicated by brackets in the dictionary (e.g., от(é)ц) that appears in the nominative singular but is missing from other forms.