Lexical Definition

‎חָמֵץ‎ châmêts (khaw-mates') leaven H:N-M
from ‎חָמֵץ‎

leaven, leavened (bread).

1) the thing leavened, leaven

See Greek: ζύμη

Brown-Driver-Briggs

‎חָמֵץ‎ noun masculineExod 13:3 that which is leavened‎֯‎‎׳‎‎ח‎ Exod 12:15 + 10 t. — forbidden at Passover Exod 12:15 (P), Exod 13:3; Exod 13:7 (JE), Deut 16:3, in all sacrifices Exod 23:18; Exod 34:25 (both J E); compare Amos 4:5; Lev 2:11; Lev 6:10* (P; apposition); exceptions are ‎׳‎‎לֶחֶם ח‎ of peace-offering Lev 7:13 (P), and the wave-loaves (‎׳‎‎ח‎ appositive) Lev 23:17 (H). — see RSSem 208 OTJC 2, 345.

‎מַחְמֶ֫צֶת‎ noun feminine anything leavened, only Exod 12:19; Exod 12:20 (P).

Brown-Driver-Briggs References

Book Refs
Exodus 12:15 · 12:19 · 12:20 · 13:3 · 13:7 · 23:18 · 34:25
Leviticus 2:11 · 6:10* · 7:13 · 23:17
Deuteronomy 16:3
Amos 4:5