"Greillade" is a word in ENGLISH

An earthy carbonate of iron containing considerable carbonaceous matter; -- valuable as an iron ore.

A forcible stream of air from an orifice, as from a bellows, the mouth, etc. Hence: The continuous blowing to …

Hematite, an ore of iron yielding a blood red powder or \"streak.\"

A furnace and forge in which wrought iron in the form of blooms is made directly from the ore, or …

The process of making blooms from the ore or from cast iron.

A valuable ore of copper, containing copper, iron, and sulphur; -- also called purple copper ore (or erubescite), in allusion …

A hydrous phosphate of iron occurring in yellow radiated tufts. The phosphorus seriously injures it as an iron ore.

Copper pyrites, or yellow copper ore; a common ore of copper, containing copper, iron, and sulphur. It occurs massive and …

A crude, undigested, or unprepared state; rawness; unripeness; immatureness; unfitness for a destined use or purpose; as, the crudeness of …

A variety of aragonite, occuring in delicate white coralloidal forms; -- common in beds of iron ore.

The works where wrought iron is produced directly from the ore, or where iron is rendered malleable by puddling and …

An inclosed place in which heat is produced by the combustion of fuel, as for reducing ores or melting metals, …

An important ore of iron, the sesquioxide, so called because of the red color of the powder. It occurs in …

A soft black, iron ore, nearly earthy, a hydrous silicate of iron.

An iron bucket for hoisting coal or ore.

A hard, earthy ore of iron.

A large iron bucket used in Cornwall and Wales for raising ore out of mines.

Hydrous sesquioxide of iron, an important ore of iron, occurring in stalactitic, mammillary, or earthy forms, of a dark brown …

A piece of magnetic iron ore possessing polarity like a magnetic needle. See Magnetite.

A small mass of matter of irregular shape; an irregular or shapeless mass; as, a lump of coal; a lump …