Over a period of time. The opposite of synchronic.

1857, from Greek dia "throughout" (see dia-) + khronos "time" (see chrono-). Use in linguistics dates from 1927.

Diachronic language studies look at the development of a language over a period of time. See Also: Synchronic; Etymology; Etymological Dictionary

(adj) used of the study of a phenomenon (especially language) as it changes through time

concerned with change or development over time ( see synchronic).

over time, through time; the term especially refers to change that happens as time passes; contrast with synchronic

Referring to phenomena as they change over time; i.e. employing a chronological perspective.

Refers to language viewed over time and contrasts with synchronic which refers to a point in time. This is one of the major structural distinctions introduced by Saussure and which is used to characte [..]

Historically oriented, or concerned with the past; contrasted with synchronic.

Concerns with the changes of language over a period of time.

Occurring over or changing with time. * '''200'''5 April 24, ''Los Angeles Times'', *:one salient value of archival magazine preservation is that individual issues register, however unintentionall [..]