the·o·rem (thēər-əm, thîrəm)
1. An idea that has been demonstrated as true or is assumed to be so demonstrable.
2. Mathematics A proposition that has been or is to be proved on the basis of explicit assumptions.
[Late Latin theōrēma, from Greek, from theōrein, to look at, from theōros, spectator; see THEORY.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
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