ferro-

variant of ferri-: ferroconcrete. In chemical terminology, the meanings of ferri- and ferro- are specialized to correspond to ferric and ferrous.

ferro-

combining_form

indicating a property of iron or the presence of iron
ferromanganese
ferromagnetism
indicating the presence of iron in the divalent state Compare ferri-
ferrocyanide

Origin of ferro-¹

From Latin ferr(um) “iron” + -o-

Origin of ferro-¹

from Latin ferrum iron

Now, in two of the reagents used, potassium ferro- and ferricyanide, iron is present according to the formul given.

Fundamentally Niccolo Ferro was both pleased and displeased with the Minister, and he declared it openly.

He could neither declare himself out and out of Niccolo Ferro's opinion, nor oppose him.

Continuo, culpam ferro compesce priusquam, Dira per infaustum serpant contagia corpus.

At ubi nil tergi duritia cessit, uentris curiosius annotati mollities ferro patuit.

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