Ca \Ca\ n.
   the chemical symbol for calcium, the fifth most abundant
   element in the earth's crust, having an atomic number of 20.

   Syn: calcium.
        [WordNet 1.5]

	

	circa \cir"ca\ (s[~e]r"k[.a]), adv., prep. [L.]
   Approximately; about; commonly abbreviated ca.; -- used
   especially before dates and numerical measures; as, he was
   born circa 1650; ca. 50 feet high.

   Syn: ca.
        [PJC]

	

	Ca
    n 1: a white metallic element that burns with a brilliant light;
         the fifth most abundant element in the earth's crust; an
         important component of most plants and animals [syn:
         calcium, Ca, atomic number 20]
    2: a state in the western United States on the Pacific; the 3rd
       largest state; known for earthquakes [syn: California,
       Golden State, CA, Calif.]

	

	CA
       Certification Authority (cryptography, PKI)

	

	CA
       Cell Arrival (ATM)

	

	CA
       Channel Adapter (Infiniband)

	

	CA
       Computer Animation

	

	CA
       Computer Associates (manufacturer)

	

	CA

   1.  cellular automaton.

   2.  Computer Associates.

   3.  Certificate Authority.

	

	ca

    The country code for Canada.

   (1995-04-19)