chametz /həˈmɛts/adjective 2noun 1 adjective2 •(Judaism) Made of chametz.It is permitted, therefore, to store and use all types of ointments, hand lotions, nail polish or medicated drops (for the ear or nose), etc., even if they contain an active chametz ingredient. […] — 1999 •(Judaism) Used with or to be used with chametz. noun1 •(Judaism) Food products made from leavened grain flour, which may not be consumed on Passover.A chametz-free total environment is the Passover goal, so any place where chametz was or might have been used during the year is thoroughly checked and cleaned lest any chametz has been left behind. — 2011