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ional name ekaboron by means of the periodic law, and subsequently discovered by spectrum analysis in certain rare Scandinavian minerals (euxenite and gadolinite). It has not yet been isolated. Symbol Sc. Atomic weight 44

xen or horses, used for scraping up earth in making or repairing roads, digging cellars, canals etc.

Of, pertaining to, or designating, hydrogen selenide, H2Se, regarded as an acid analogous to sulphydric acid.

A nonmetallic element of the sulphur group, and analogous to sulphur in its compounds. It is found in small quantities with sulphur and some sulphur ores, and obtained in the free state as a dark reddish powder or crystalline mass, or as a dark metallic- looking substance. It exhibits under the action of light a remark…

A hypothetical radical of selenium, analogous to sulphonium. [R.]

Having the form of half of a circle. Addison. Semicircular canals (Anat.), certain canals of the inner ear. See under Ear.

A method of teaching reading by giving first attention to phrases and sentences and later analyzing these into their verbal and alphabetic components; -- contrasted with alphabet and word methods.

Chemical analysis.

A sulphide, analogous to a sesquioxide, containing three atoms of sulphur to two of the other ingredient; -- formerly called also sesquisulphuret; as, orpiment, As2S3 is arsenic sesquisulphide.

tc., and generally in transacting the business of a ship or ships when in port. -- Ship canal, a canal suitable for the passage of seagoing vessels. -- Ship carpenter, a carpenter who works at shipbuilding; a shipwright. -- Ship chandler, one who deals in cordage, canvas, and other, furniture of vessels. -- Ship ch…

f two safety chains connecting a tender with a locomotive, at the sides. -- Side cut, a canal or road branching out from the main one. [U.S.] -- Side dish, one of the dishes subordinate to the main course. -- Side glance, a glance or brief look to one side. -- Side hook (Carp.), a notched piece of wood for clamping…

a colorless, spontaneously inflammable gas, SiH4, produced artifically from silicon, and analogous to methane; -- called also silico-methane, silicon hydride, and formerly siliciureted hydrogen.

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…

A piece of timber across the bottom of a canal lock for the gates to shut against. Sill course (Arch.), a horizontal course of stone, terra cotta, or the like, built into a wall at the level of one or more window sills, these sills often forming part of it.

A dilated vessel or canal.

To associate, or hold fellowship, as sisters; to have sisterly feelings; -- analogous to fraternize. [Recent & R.]

Of or pertaining to the spectrum; made by the spectrum; as, spectral colors; spectral analysis. Spectral lemur. (Zoöl.) See Tarsius.

The science of spectrum analysis in any or all of its relations and applications.

An instrument constructed on the principle of the photophone and used in spectrum analysis as an adjunct to the spectroscope. -- Spec`tro*phon"ic (#), a.

ed room. It is characterized by numerous dark lines called Fraunhofer lines. -- Spectrum analysis, chemical analysis effected by comparison of the different relative positions and qualities of the fixed lines of spectra produced by flames in which different substances are burned or evaporated, each substance having it…