Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • abbr. circa

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • abbr. circa.

from the GNU version of the Collaborative International Dictionary of English

  • n. the chemical symbol for calcium, the fifth most abundant element in the earth's crust.

from The Century Dictionary and Cyclopedia

  • A Scotch contraction of call.
  • To drive; impel; push; knock: as, to ca' a man ower (over).
  • A word of no definite individual meaning, occurring in the proverbial phrase ca me, ca thee (now also claw me, claw thee), help (or serve) me and I'll help you.
  • An abbreviation of cases;
  • of centare.
  • n. See coe.
  • n. A Babylonian measure of capacity, identified with the Hebrew bath or ephah.
  • n. In chem., the symbol for calcium.
  • n. In dates, a contraction of Latin circa, about: as, ca. 1300, about 1300.
  • n. An abbreviation of Fellow of the Connecticut Academy of Arts and Sciences.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a state in the western United States on the Pacific; the 3rd largest state; known for earthquakes
  • n. 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

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  • Ca. Chemical element symbol for Calcium.

    December 16, 2007