(redirected from circa)
Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms, Wikipedia.


symbol for the element calciumcalcium
[Lat.,=lime], metallic chemical element; symbol Ca; at. no. 20; at. wt. 40.078; m.p. about 839°C;; b.p. 1,484°C;; sp. gr. 1.55 at 20°C;; valence +2. Calcium is a malleable, ductile, silver-white, relatively soft metal with face-centered, cubic crystalline
..... Click the link for more information.

California State Information

Phone: (916) 657-9900

Area (sq mi):: 163695.57 (land 155959.34; water 7736.23) Population per square mile: 231.70
Population 2005: 36,132,147 State rank: 0 Population change: 2000-20005 6.70%; 1990-2000 13.80% Population 2000: 33,871,648 (White 46.70%; Black or African American 6.70%; Hispanic or Latino 32.40%; Asian 10.90%; Other 22.80%). Foreign born: 26.20%. Median age: 33.30
Income 2000: per capita $22,711; median household $47,493; Population below poverty level: 14.20% Personal per capita income (2000-2003): $32,464-$33,415
Unemployment (2004): 6.20% Unemployment change (from 2000): 1.30% Median travel time to work: 27.70 minutes Working outside county of residence: 17.10%

List of California counties:

  • Alameda County
  • Alpine County
  • Amador County
  • Butte County
  • Calaveras County
  • Colusa County
  • Contra Costa County
  • Del Norte County
  • El Dorado County
  • Fresno County
  • Glenn County
  • Humboldt County
  • Imperial County
  • Inyo County
  • Kern County
  • Kings County
  • Lake County
  • Lassen County
  • Los Angeles County
  • Madera County
  • Marin County
  • Mariposa County
  • Mendocino County
  • Merced County
  • Modoc County
  • Mono County
  • Monterey County
  • Napa County
  • Nevada County
  • Orange County
  • Placer County
  • Plumas County
  • Riverside County
  • Sacramento County
  • San Benito County
  • San Bernardino County
  • San Diego County
  • San Francisco City & County
  • San Joaquin County
  • San Luis Obispo County
  • San Mateo County
  • Santa Barbara County
  • Santa Clara County
  • Santa Cruz County
  • Shasta County
  • Sierra County
  • Siskiyou County
  • Solano County
  • Sonoma County
  • Stanislaus County
  • Sutter County
  • Tehama County
  • Trinity County
  • Tulare County
  • Tuolumne County
  • Ventura County
  • Yolo County
  • Yuba County
  • California Parks



    (also, Song Ha), a river in the Democratic Republic of Viet-nam (DRV), originating in Laos. Length, approximately 500km. In its upper reaches, it cuts through spurs of the TruongSon, crosses a maritime plain, and then flows into the Gulf of BacBo (Tonkin) of the South China Sea. The water level is at itshighest during the summer. In its lower course, its waters areused for irrigation. The city of Vinh (DRV) is situated on theriver.






    (theory, architecture)






    The country code for Canada.


    (1) (Certification Authority or Certificate Authority) An organization that issues digital certificates (digital IDs) and makes its public key widely available to its intended audience. See digital certificate and cryptography.

    (2) See CA Technologies.

    (3) (Continuous Availability) See fault tolerant.

    (4) (.CA) The country code for Canada. See country code.
    References in periodicals archive ?
    The new standards-based phone from Circa will meet and exceed this requirement.
    About CIRCA: Established in 2001, CIRCA is the leading international buyer of jewelry, diamonds and watches, with more than 100 associates and 14 offices worldwide including New York, Chicago, Beverly Hills, Barcelona, Madrid and Hong Kong.
    The item with the highest top estimate of $400,000 is "an important Queen Ann brass inlaid stained burr maple and yewwood desk-and-bookcase attributed to Coxed and Woster from circa 1715".
    Circa Zero is a three member band; along with Summers are lead singer and multi-instrumentalist Rob Giles formerly of "The Rescues" and on drums French Canadian Emmanuelle Caplette.
    Circa features two upholstered side panels, a foot panel, and two corner inserts that attach easily to existing bed frames to provide the illusion of a platform.
    This exhibition, which consisted of over 200 historical photographs of Felinheli took place at the end of March, and raised money for Tye Gobaith Children's Hospice through the sale of framed copies of some of the pictures Bangor Street, looking east circa 1910.
    NEW YORK, November 18, 2010 /PRNewswire/ -- CIRCA INC.
    OTC:WEGY (BULLETIN BOARD: WEGY), a company focused on energy conservation technologies and environmental sustainability, has signed a collaboration agreement with Circa Telecom USA, Inc.
    I remember going to the Warped Tour as a kid and seeing Bad Religion," said Circa Survive guitarist Colin Frangicetto.
    Valdese Weavers announced it has completed its acquisition of Circa 1801/Doblin, Home Fabrics and Mastercraft Contract/Guild 360.
    William IV period boulle and ebony side cabinet with gilt bronze mounts and pewter inlay, France, circa 1835.
    After years of scarceness, several albums by Flare, a chamber-pop-with-a-shoegazer-twist outfit, have been refit and rereleased-including 2000's Circa, newly souped-up with four rare or unreleased bonus tracks as Circa+.