Definition of Errou. Meaning of Errou. Synonyms of Errou
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Definition of Errou
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Ferrous Ferrous Fer"rous, a. [Cf. F. ferreux. See Ferreous.] (Chem.)
Pertaining to, or derived from, iron; -- especially used of
compounds of iron in which the iron has its lower valence;
as, ferrous sulphate.
ferrous sulphate Copperas Cop"per*as, n. [OE. coperose, F. couperose, fr.
(assumed?) L. cuprirosa, equiv. to G. cha`lkanqos, i. e.
copper flower, vitriol. See Copper and Rose.]
Green vitriol, or sulphate of iron; a green crystalline
substance, of an astringent taste, used in making ink, in
dyeing black, as a tonic in medicine, etc. It is made on a
large scale by the oxidation of iron pyrites. Called also
ferrous sulphate.
Note: The term copperas was formerly synonymous with vitriol,
and included the green, blue, and white vitriols, or
the sulphates of iron, copper, and zinc.
Serrous Serrous Ser"rous, a. [L. serra a saw.]
Like the teeth off a saw; jagged. [Obs.] --Sir T. Browne.
