From the American Heritage® Dictionary of the English Language, 5th Edition:
data /dā′tə, dăt′ə, dä′tə/
noun plural
Facts that can be analyzed or used in an effort to gain knowledge or make decisions; information. Statistics or other information represented in a form suitable for processing by computer. See datum.
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datum /dā′təm, dăt′əm, dä′təm/
noun
A fact or proposition used to draw a conclusion or make a decision. A point, line, or surface used as a reference, as in surveying, mapping, or geology. A fact given; originally, one of the quantities stated, or one of the geometrical figures supposed constructed, in a mathematical problem, and from which the required magnitude or figure is to be determined.
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