chametz
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cha·metz
(KHä-mĕts′, hä-)n.
Food made from grain or flour that has been mixed with water and left to sit, considered leavened according to Jewish dietary law and thus forbidden for Jews to use or possess during Passover.
[Hebrew ḥāmēṣ, from ḥāmēṣ, to be leavened; akin to Akkadian emṣu, emiṣ-, sour, Arabic ḥamuḍa, to be sour, and Aramaic ḥăma', to be leavened.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
chametz
(xaˈmɛtʒ; Yiddish ˈxomətʒ) orchometz
n
(Judaism) Judaism leavened food which may not be eaten during Passover
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014