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green vitriol



Definition references  (+images)


Iron(II) sulfate | iron(II) sulphate | ferrous sulfate | Ferrous sulfate [synonym] | green vitriol [synonym] | iron vitriol [synonym] | copperas [synonym] | melanterite [synonym] | szomolnokite [synonym]

the chemical compound with the formula FeSO4. It's used medically to treat iron deficiency, and also for industrial applications. Known since ancient times as copperas and as green vitriol, the blue-green heptahydrate is the most common... (36 of 1354 words, 3 images)

en​.wikipedia​.org​/wiki​/Iron(II) sulfate

Collins Dictionary:

ferrous sulphate | iron (II) sulphate [Systematic] | copperas [synonym] | green vitriol [synonym] | FeSO4 [chemical formula]

an iron salt with a saline taste, usually obtained as greenish crystals of the heptahydrate, which are converted to the white monohydrate above 100°C: ... (24 of 282 words)


Random House Dictionary:

ferrous sulfate [chemistry, pharmacology] | copperas [synonym] | green vitriol [synonym] | iron vitriol [synonym] | iron sulfate [synonym] | FeSO4·7H2[chemical formula]

a bluish-green, crystalline, saline-tasting, water-soluble heptahydrated solid used chiefly in the manufacture of other iron salts, in water ... (18 of 46 words)


Oxford Dictionary:

green vitriol

Syllabification: (green vit·ri·ol) | [archaic] | crystalline ferrous sulfate. (7 of 28 words, 3 definitions)

oxforddictionaries​.com​/definition​/american english​/green-vitriol

green vitriol [archaic]

crystalline ferrous sulphate (3 of 26 words)


New World Dictionary:

ferrous sulfate | FeSO4·7H2[chemical formula] | copperas | green vitriol

a green, crystalline compound, ..., used in dyeing, the making of ink, etc.; copperas (14 of 16 words)


Columbia Encyclopedia:

green vitriol

the heptahydrate of ferrous sulfate. (5 of 9 words)



green vitriol [outdated] | copperas [synonym] | ferrous sulfate [synonym] | iron vitriol [synonym] | FeSO4 [chemical formula]

Old name for iron(II) sulfate (FeSO4). (6 of 8 words)

en​.wiktionary​.org​/wiki​/green vitriol

Encarta Dictionary:

ferrous sulfate | FeSO4.7H2[chemical formula] | copperas [minerals] | green vitriol [chemistry]

a white or pale green iron salt. Use: in inks, tanning, treatment of iron-deficient anemia (15 of 27 words)

encarta​.msn​.com​/dictionary 1861690226​/definition​.html  [offline]

Audio reference

YourDictionary Audio:

green vitriol

Audio: North American English pronunciation of "green vitriol" by speech synthesizer


Page last updated: 2013-06-26

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