Meaning of CA
 WordNet Dictionary |
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- [n] a state in the western United States on the Pacific; the 3rd largest state; k
- [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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| | Synonyms: | | atomic number 20, calcium, California, Golden State |
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| | See Also: | | America, American state, Anaheim, Bakersfield, Barstow, Berkeley, Beverly Hills, Big Sur, burnt lime, calcined lime, calcium ion, calcium oxide, calx, capital of California, Channel Islands National Park, City of the Angels, Colorado Desert, Death Valley, Eureka, factor IV, fluor, fluorite, fluorspar, fluxing lime, Fresno, Golden Gate, gypsum, High Sierra, Kings Canyon National Park, Klamath, Klamath River, Lassen Volcanic National Park, lime, limestone, Long Beach, Los Angeles, metal, metallic element, Mohave, Mohave Desert, Mojave, Mojave Desert, Monterey, Monterey Bay, Mount Shasta, Oakland, Palo Alto, Pasadena, quicklime, Redding, Redwood National Park, Riverside, Sacramento, Sacramento River, Salton Sea, San Andreas Fault, San Bernadino, San Diego, San Francisco, San Joaquin Valley, San Jose, San Mateo, San Pablo, Santa Ana, Santa Barbara, Santa Clara, Sequoia National Park, Shasta, Sierra Nevada, Sierra Nevada Mountains, Silicon Valley, U.S., U.S.A., United States, United States of America, unslaked lime, US, USA, Yosemite National Park | |
| Computing Dictionary |
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1. cellular automaton. 2. Computer Associates. 3. Certificate Authority. The country code for Canada.
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| Biology Dictionary |
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| | Definition: | | Calcium is a hard, silvery metallic element which has an atomic number of 20 and an atomic weight of 40.078. It is classified as an alkaline earth element and burns with a yellow-red flame. It is highly reactive (pure calcium reacts explosively with water) and is therefore not found in its pure form in nature. Instead, it is typically found in minerals such as gypsum and fluorite, in limestone (as calcium carbonate) and stalactites/stalagmites, and in the bones, teeth and shells of animals. Calcium is essential in the human diet (people normally consume 600 1400 milligrams per day). The body needs it for a variety of functions, such as blood clotting, the transmission of nerve signals, muscle contraction, and proper heart function. Calcium imbalances can cause many health problems, and some chemical imbalances can cause the mineral to build up in nerve cells, poisoning and ultimately killing them. |
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