Online Google Dictionary

circa 中文解釋 wordnet sense Collocation Usage Collins Definition
Preposition
/ˈsərkə/,
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(often preceding a date) Approximately,
  1. (often preceding a date) Approximately
    • - built circa 1935
  1. Circa (often abbreviated c., ca., ca or cca. and sometimes italicized) means "approximately", usually referring to a date , and also, less frequently, to a measurement of length or mass, as in "c25mm" or "c1oz"
  2. Circa (stylized CIRCA:) is a progressive rock supergroup founded by four musicians associated with Yes: current Yes member Alan White (drums), former Yes members Tony Kaye (Hammond, keyboards) and Billy Sherwood (bass, vocals), and guitarist Jimmy Haun, who played on the Yes album Union.
  3. Circa (stylized C1RCA or C1rca, pronounced "circa") is a skateboard footwear and apparel company that started in 1999 and is based in San Clemente, California, U.S.
  4. The Clandestine Insurgent Rebel Clown Army (or CIRCA or Smile LiberAtion Front) is a United Kingdom-based anti-authoritarian left-wing activist group that uses clowning and non-violent tactics to act against corporate globalisation, war, and on other issues.
  5. approximately, about
  6. Refers to an approximate date when actual date is unknown.
  7. L. about, the period or time of printing.
  8. About or approximately; usually referring to a date.
  9. Used only when the exact date is not known. If an article says, "Mark Twain's Hannibal treehouse, constructed around 1840," "ca. 1840" is used. But if an article says, "Charlotte Perkins Gilman's mansion built in the 1890s," "1890s" alone is used; no circa is necessary. The same goes for centuries.
  10. The Communication and Information Resource Centre Administrator is the information portal developed under a European Commission programme for public administrations needs. It enables a community (e.g. committee, working group, project group etc. ...
  11. (c.): Latin for about, used to indicate the approximate date or dates of an event, life or other occurrence.
  12. Abbreviated as "ca." Used if a date is approximate.
  13. [Latin, about] usually used in conjunction with a date
  14. (c. or ca.): Represents the approximate period of time in which an item was made.
  15. (early 1700s) overdress which hung from shoulders, resembling a long, loose coat.
  16. In approximately, about.  From the Latin word for “about” and often abbreviated as “c.”  For example, “c. 1900” means “around the year 1900.”
  17. About; around; an approximation. Circa 1920 in a real estate advertisement would indicate that the main part of the property was built about 1920.
  18. (HEAR IT) around; used with dates or time periods
  19. About or around (e.g., A manufacturing date and/or a product or subject's era).