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A form of silicon carbide, produced in the electric furnace, possessing great hardness, and high electrical resistance, and not subject to oxidation below 2880º F., or 1600º C.

A fish of the genus Silurus, as the sheatfish; a siluroid.

Of or pertaining to the country of the ancient Silures; -- a term applied to the earliest of the Paleozoic eras, and also to the strata of the era, because most plainly developed in that country.

Any fish of the family Silurid or of the order Siluroidei.

Belonging to the Siluroidei, or Nematognathi, an order of fishes including numerous species, among which are the American catfishes and numerous allied fresh-water species of the Old World, as the sheatfish (Silurus glanis) of Europe. -- n.

An order of fishes, the Nematognathi.

A genus of large malacopterygious fishes of the order Siluroidei. They inhabit the inland waters of Europe and Asia.

The forest trees of a region or country, considered collectively.

; composed of woods or groves; woody. [Written also sylvan.] Betwixt two rows of rocks, a silvan scene Appears above, and groves forever green. Dryden.

See Sylvanite.

Vast woodland plains of South America.

Same as Sylvate.

mony, chlorine, etc., in the minerals argentite, proustite, pyrargyrite, ceragyrite, etc. Silver is one of the "noble" metals, so-called, not being easily oxidized, and is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). Atomic weight 107.7. Specific gravity 10.5.…

A certificate issued by a government that there has been deposited with it silver to a specified amount, payable to the bearer on demand. In the United States and its possessions, it is issued against the deposit of silver coin, and is not legal tender, but is receivable for customs, taxes, and all public dues.…

Nevada; -- a nickname alluding to its silver mines.

Having a gray color with a silvery luster; as, silver-gray hair.

The knot.

A tree or shrub (Elæagnus argentea) with silvery foliage and fruit. Gray.

An Old World finch of the genus Minia, as the M. Malabarica of India, and M. cantans of Africa.

See Leucadendron.