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A cord of great toughness made from the intestines of animals, esp. of sheep, used for strings of musical instruments, etc.

A tough, lustrous, reddish white metal of the iron group, not easily fusible, and somewhat magnetic. Atomic weight 59.1. Symbol Co.

Consisting of or resembling, leather; leatherlike; tough.

Tough; thick; capable of extension. [Obs.] Some bodies are of a more depectible nature than oil. Bacon.

The tough, fibrous membrane, which lines the cavity of the skull and spinal column, and surrounds the brain and spinal cord; -- frequently abbreviated to dura.

haic] The doors were all of adamants eterne, I-clenched overthwart and endelong With iron tough. Chaucer. He pricketh endelong the large space. Chaucer. To thrust the raft endlong across the moat. Sir W. Scott.

To harden; to toughen; to make hardy. [Obs.] Manly limbs endured with little ease. Spenser.

s iron and some other base. Potassium ferrocyanide (Chem.), yellow prussiate of potash; a tough, yellow, crystalline salt, K4(CN)6Fe, the starting point in the manufacture of almost all cyanogen compounds, and the basis of the ferric ferrocyanate, prussian blue. It is obtained by strongly heating together potash, scrap…

Sinew; strength; toughness; as, a man of real fiber. Yet had no fibers in him, nor no force. Chapman.

Small pieces or splinters; fragments. The tough ash spear, so stout and true, Into a thousand flinders flew. Sir W. Scott.

Easily broken; brittle; frail; delicate; easily destroyed. The state of ivy is tough, and not fragile. Bacon.

A genus of tough, leathery seaweeds, usually of a dull brownish green color; rockweed.

Resembling a cord in toughness and flexibility, as the roots of some endogenous trees.

tuffed with meat partly cooked. -- German silver (Chem.), a silver-white alloy, hard and tough, but malleable and ductile, and quite permanent in the air. It contains nickel, copper, and zinc in varying proportions, and was originally made from old copper slag at Henneberg. A small amount of iron is sometimes added to…

erficial coating or appearance, as opposed to what is solid and genuine. Gilding metal, a tough kind of sheet brass from which cartridge shells are made.

egetable glue or gelatin; glutin. It is one of the constituents of wheat gluten, and is a tough, amorphous substance, which resembles animal glue or gelatin.

A knot or gnarl in wood; hence, a tough, thickset man; -- written also gnarr. [Archaic] He was . . . a thick gnarre. Chaucer.

To bite, as something hard or tough, which is not readily separated or crushed; to bite off little by little, with effort; to wear or eat away by scraping or continuous biting with the teeth; to nibble at. His bones clean picked; his very bones they gnaw. Dryden.

The tough, fibrous material of which true horns are composed, being, in the Ox family, chiefly albuminous, with some phosphate of lime; also, any similar substance, as that which forms the hoof crust of horses, sheep, and cattle; as, a spoon of horn.

Toughtless; inconsiderate. [R.] Milton. Men are careless and incogitant. J. Goodman.