dhobi's earth
A whitish-grey sandy efflorescence, found in many places, from which by boiling and…A whitish-grey sandy efflorescence, found in many places, from which by boiling and the addition of quicklime a strong alkali is obtained.
Meaning
1 senses(India, uncountable)A whitish-grey sandy efflorescence, found in many places, from which by boiling and the addition of quicklime a strong alkali is obtained.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable