readability
n. uncountable B2 Upper Intermediate US //ˌɹidəˈbɪɫɪti// UK //ɹˌiːdəbˈɪlɪti// read·abil·i·ty
n. how easy it is to read and understand a piece of writing. It depends on the length of the words and the sentences.
n. the ease with which a text can be read and understood. Often measured by the complexity of vocabulary and the length of syntactic structures.
The report has high readability because it uses simple words.
The editor suggested changing the long sentences to improve the readability for a younger audience.
While the author's prose is technically sophisticated, the lack of paragraph breaks and complex footnotes significantly reduces the readability for general readers.
From readable + -ity or read + -ability.