Definition from Wiktionary, the free dictionary
synchronic (not comparable)
- occurring at a specific point in time.
- (linguistics) relating to the study of a language at only one point in its history.
- (linguistics, relating to the study of a language at only one point in its history): The synchronic comparison of two languages focusses on categorising phenomena typologically, whereas a diachronic comparison may be looking for common origins or causes of these phenomena, viewed as genetic relationships.