Chronolect vs. Lect — What's the Difference?

In linguistics, a chronolect or temporal dialect is a specific speech variety whose characteristics are in particular determined by time-related factors. As such, it can be contrasted with a sociolect, an ethnolect or a geolect.

A social or regional variety of speech having a sociolinguistic or functional identity within a speech community.

A specific variety of a language at a given time in its history of development.

A specific form of a language or language cluster: a language or a dialect.