Strong's Hebrew #3526
mə·ḵab·bə·sîm

Englishman's Concordance (References)

mə·ḵab·bə·sîm — 1 Occurrence

Malachi 3:2
HEB:מְצָרֵ֔ף וּכְבֹרִ֖ית מְכַבְּסִֽים׃
NAS: fire and like fullers' soap.
KJV: fire, and like fullers' soap:
INT: A refiner's soap fullers'