CIRCA definition: about: used especially in approximate dates: ca, ca., c., c, cir., circ. See examples of circa used in a sentence.

It is often used to show when something approximately happened. It is often shortened to c., ca., ca or cca. [1] Estimated values of different units may also begin with circa in research reports …

"Circa" is a Latin term that is commonly abbreviated as "c." It means "around" or "approximately" when used in relation to dates, indicating that the given date is an approximation or an …

Circa is used in front of a particular year to say that this is the approximate date when something happened or was made.

C. definition: 1. written abbreviation for circa (= used before a number or date to show that it is not exact…. Learn more.

Jul 2, 2025 · A date preceded by ‘circa’ can be seen as a fuzzy date, possessing a degree of membership in a range of possible dates. The ‘circa’ symbol represents the uncertainty around …

Aug 11, 2011 · Because "circa" is used to mean approximately in dates and measures, people would naturally use it to mean approximately even outside of dates and measures, partly due …