🔤 Alum

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URDU

پھَٹکڑی، دوہرے سَلفيٹ رَکھنے والا، مُرَکَب، جِس ميں ايلومينِيَم کے ساتھ پوٹاشِيَم، امونِيَم يا لوہے جيسی دھاتيں ہوتی ہيں
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ENGLISH

📚noun
alum
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PRONUNCIATION

Standard: æl.əm
Phonetic: æl.əm
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DEFINITION

An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K2SO4·Al2(SO4)3·24H2O).
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SYNONYMS

graduate alumnus alumna grad potash alum ammonium alum ammonia alum potassium alum
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