Meanings of great hardness in inglés

The mountain is a barren calcareous rock, of no great hardness.

They are of great hardness, and form a belt which no animal of their regions can penetrate.

The great hardness of chromium steels is also due to the formation of double carbides of chromium and iron.

All things are come upon thee, because of the multitude of thy sorceries, and for the great hardness of thy enchanters.

The rock, as far as I examined it, was of porphyry of great hardness, and composing hills of an almost conical form.

Our cannon must be possessed of great tenacity, great hardness, be infusible by heat, indissoluble, and inoxidable by the corrosive action of acids.

Their spears were tipped with copper; or with obsidian, a stone resembling flint, of great hardness, and capable of taking a very sharp edge.

Forged steel is the best material for armor-piercing projectiles, but many are made of chilled cast iron, on account of its great hardness and cheapness.

It is often as much as half an inch through, of great hardness, and as far as I can see impervious to air and light.

"One is, its great hardness," said Forester.