Webster's 1828 Dictionary
FERRO-CYANATE
n.A compound of the ferro-cyanic acid with a base.
FERRO-CYANIC
a.[L. ferrum, iron and cyanic, which see. ] The same as ferroprussic.
FERRO-PRUSSIATE
n.A compound of the ferro-silicic acid with a base, forming a substance analogous to a salt.
FERRO-PRUSSIC
a.[L. ferrum, iron, and prussic. ] Designating a peculiar acid, formed of prussic acid and protoxyd of iron.
FERRO-SILICATE
n.A compound of ferro-silicic acid with a base, forming a substance analogous to a salt.
FERRO-SILICIC
a.[L. ferrum, iron, and silex. ] Designating a compound of iron and silex.
Webster's 1913 Dictionary
FERRO-
FERRO- Fer "ro- (. (Chem. )
Defn: A prefix, or combining form, indicating ferrous iron as an ingredient; as, ferrocyanide.
FERRO-CONCRETE
FERRO-CONCRETE Fer "ro-con "crete, n. (Arch. & Engin. )
Defn: Concrete strengthened by a core or foundation skeleton of iron or steel bars, strips, etc. Floors, columns, piles, water pipes, etc. , have been successfully made of it. Called also armored concrete steel, and reënforced concrete.
New American Oxford Dictionary
ferro-
ferro- ▶comb. form containing iron: ferroconcrete. • Chemistry of iron with a valence of two; ferrous. Compare with ferri-. ORIGIN from Latin ferrum ‘iron. ’
Oxford Dictionary
ferro-
ferro- |ˈfɛrəʊ | ▶combining form containing iron: ferroconcrete. • Chemistry of iron with a valency of two; ferrous. Compare with ferri-. ORIGIN from Latin ferrum ‘iron ’.
The Wordsmith Dictionary