Answer: koh

AnswerCrossword Clue
KOHLye, chemically
KOH..-i-noor: 106-carat diamond
KOHPotassium hydroxide, to chemists
KOH..-i-noor diamond
KOH... -i -noor: 106 carat diamond
KOHCaustic potash, chemically
KOHThe ..-i-noor diamond
KOH...-i-noor (huge diamond)
KOHCommon caustic, chemically
KOH...-i-noor diamond
KOHSoapmaking compound, chemically
KOH-- -i-noor (famous diamond)
KOH-- -i-noor (big diamond)
KOHThe ...-i-noor diamond