Chron is a prefix that has Latin roots, meaning "time" or "sequence." It is often used in the context of chronology or the study of time. There are numerous synonyms for the word chron, such as "tempo," "duration" and "period." Other synonyms include "timeline," "schedule" and "agenda." Chron is also related to words like "chronic," meaning lasting over a long period of time, or "chronograph," which is a device for measuring elapsed time. The word "chronicle" also comes from this root, which means a written record of events in order of their occurrence. Understanding these synonyms is useful for describing specific time-related concepts.