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chestra; -- so called from its form. Pharaoh's serpent (Chem.), mercuric sulphocyanate, a combustible white substance which in burning gives off a poisonous vapor and leaves a peculiar brown voluminous residue which is expelled in a serpentine from. It is employed as a scientific toy. -- Serpent cucumber (Bot.), the l…

A combining form (also used adjectively) denoting that three atoms or equivalents of the substance to the name of which it is prefixed are combined with two of some other element or radical; as, sesquibromide, sesquicarbonate, sesquichloride, sesquioxide.

who, or that which, sets; -- used mostly in composition with a noun, as typesetter; or in combination with an adverb, as a setter on (or inciter), a setter up, a setter forth.

A combining form meaning six; as, sexdigitism; sexennial.

hers similar by slight differences; as, the shades of meaning in synonyms. New shades and combinations of thought. De Quincey. Every shade of religious and political opinion has its own headquarters. Macaulay. The Shades, the Nether World; the supposed abode of souls after leaving the body.

o as to form a large hook, -- used by shepherds. -- Shepherd's needle (Bot.), the lady's comb. -- Shepherd's plaid, a kind of woolen cloth of a checkered black and white pattern. -- Shephered spider (Zoöl.), a daddy longlegs, or harvestman. -- Shepherd's pouch, or Shepherd's purse (Bot.), an annual cruciferous plan…

ument for detecting small quantities of iron in any substance by means of a very delicate combination of magnetic needles.

The muffler of an internal-combustion engine.

Combined or impregnated with silicon or silica; as, silicated hydrogen; silicated rocks. Silicated soap, a hard soap containing silicate of soda.

Thae act or process of combining or impregnating with silicon or silica; the state of being so combined or impregnated; as, the silicification of wood.

Combined or impregnated with silicon or silica, especially the latter; as, silicified wood.

Combined or impregnated with silicon. [Obsoles.] Siliciureted hydrogen. (Chem.) Hydrogen silicide. [Obs.]

A combining form (also used adjectively) denoting the presence of silicon or its compounds; as, silicobenzoic, silicofluoride, etc.

A nonmetalic element analogous to carbon. It always occurs combined in nature, and is artificially obtained in the free state, usually as a dark brown amorphous powder, or as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to ox…

ile, very malleable, and capable of a high degree of polish. It is found native, and also combined with sulphur, arsenic, antimony, 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…

An alkaloid occuring in the seeds of mustard. It is extracted, in combination with sulphocyanic acid, as a white crystalline substance, having a hot, bitter taste. When sinapine is isolated it is unstable and undergoes decomposition.

Not doubled, twisted together, or combined with others; as, a single thread; a single strand of a rope.

ed in by only one on a side; single. [Obs.] To try the matter thus together in a singular combat. Holinshed.

A slight fight in war; a light or desultory combat between detachments from armies, or between detached and small bodies of troops.

To lose cohesion or solidity by a chemical combination with water; to slake; as, lime slacks.