sour salt

English Thesaurus

1. crystals of citric acid used as seasoning (noun.food)

hypernym	:	flavorer, flavoring, flavourer, flavouring, seasoner, seasoning,
definition	:	something added to food primarily for the savor it imparts (noun.food)

substance holonym	:	citric acid,
definition	:	a weak water-soluble acid found in many fruits (especially citrus fruits); used as a flavoring agent (noun.substance)