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na. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, pertaining a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al. Aluminium bronze or gold, a pale gold- colored alloy of aluminium and copper, used for journal bearings, etc.…

cal. Acid amide, a neutral compound formed by the substitution of the amido group for hydroxyl in an acid.

salt of the class formed by the combination of an acid and a base, or by the union of two oxides, two sulphides, selenides, or tellurides, as distinguished from a haloid compound. [R.] Berzelius.

An element that in combination produces amphid salt; -- applied by Berzelius to oxygen, sulphur, selenium, and tellurium. [R.]

An emulsion made of almonds; milk of almonds. Bailey. Coxe.

A compound of the radical amyl with oxygen and a positive atom or radical.

eries of alcohols, a transparent, colorless liquid, having a peculiar odor. It is the hydroxide of amyl. -- Amylic fermentation (Chem.), a process of fermentation in starch or sugar in which amylic alcohol is produced. Gregory.

called facultative anaërobia when able to live either in the presence or absence of free oxygen; obligate, or obligatory, anaërobia when they thrive only in its absence.

Microörganisms which do not require oxygen, but are killed by it. Sternberg.

place in a system of classification, by means of an analytical table or key. Ultimate, Proximate, Qualitative, Quantitative, and Volumetric analysis. (Chem.) See under Ultimate, Proximate, Qualitative, etc.

Styptic. [Obs.] Coxe.

Saltpeter. Coxe. Johnson.

A soft tumor or bloody wart on horses or oxen.

Red orpiment. Coxe.

eruptive rock allied to trachyte, consisting essentially of a triclinic feldspar, with pyroxene, hornblende, or hypersthene.

The dissection of a human body, especially of a male; androtomy. Coxe.

ich depends on the varying pressure of the atmosphere upon the elastic top of a metallic box (shaped like a watch) from which the air has been exhausted. An index shows the variation of pressure.

; also, physical pain or smart of a sore, etc. [Obs.] I made the experiment, setting the moxa where . . . the greatest anger and soreness still continued. Temple.

An oxide of a nonmetallic body or an organic radical, capable of forming an acid by uniting with the elements of water; -- so called because it may be formed from an acid by the abstraction of water.

n internal cavity or stomach for digestion; by giving carbonic acid to the air and taking oxygen in the process of respiration; and by increasing in motive power or active aggressive force with progress to maturity.