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Sulphate of soda, a well-known cathartic. It is a white crystalline substance, with a cooling, slightly bitter taste, and is commonly called "salts."

An alkaloid obtained from the plant Glaucium, as a bitter, white, crystalline substance.

A metallic mineral having a grayish tin-white color, and containing cobalt and iron, with sulphur and arsenic.

mineral of a dark bluish color, related to amphibole. It is characteristic of certain crystalline rocks.

a ease, etc.) with glass. Two cabinets daintily paved, richly handed, and glazed with crystalline glass. Bacon.

red blood corpuscles united with hæmatin to form hæmoglobin. It is also found in the crystalline lens of the eye, and in blood serum, and is sometimes called crystallin. In the plural the word is applied to a group of proteid substances such as vitellin, myosin, fibrinogen, etc., all insoluble in water, but soluble in…

A rudimentary form of crystallite, spherical in shape.

A rare metallic element, of a silver white color, and low specific gravity (2.1), resembling magnesium. It never occurs naturally in the free state, but is always combined, usually with silica or alumina, or both; as in the minerals phenacite, chrysoberyl, beryl or emerald, euclase, and danalite. It was named from its…

The trade name of a sirup, obtained as an uncrystallizable reside in the manufacture of glucose proper, and containing, in addition to some dextrose or glucose, also maltose, dextrin, etc. It is used as a cheap adulterant of sirups, beers, etc.

One of a large series of amorphous or crystalline substances, occurring very widely distributed in plants, rarely in animals, and regarded as influental agents in the formation and disposition of the sugars. They are frequently of a bitter taste, but, by the action of ferments, or of dilute acids and alkalies, always b…

id so called; as, glutaric ethers. Glutaric acid, an organic acid obtained as a white crystalline substance, isomeric with pyrotartaric acid; -- called also normal pyrotartaric acid.

ile in the form of a sodium salt. The acid commonly forms a resinous mass, but can be crystallized in long, white needles.

A crystalline, nitrogenous substance, with a sweet taste, formed from hippuric acid by boiling with hydrochloric acid, and present in bile united with cholic acid. It is also formed from gelatin by decomposition with acids. Chemically, it is amido-acetic acid. Called also glycin, and glycocin.

any ways, as by the oxidation of glycol, -- whence its name. It is a sirupy, or white crystalline, substance, HO.CH2.CO2H, has the properties both of an alcohol and an acid, and is a type of the hydroxy acids; -- called also hydroxyacetic acid.

A white, crystalline, nitrogenous substance, obtained by the reduction of allantoïn.

An organic base, C6H6N4, produced artificially as a white, crystalline powder, by the action of ammonia on glyoxal.

A white, crystalline, organic base, C3H4N2, produced by the action of ammonia on glyoxal, and forming the origin of a large class of derivatives hence, any one of the series of which glyoxaline is a type; -- called also oxaline.

A white, crystalline, nitrogenous substance, produced by the action of hydroxylamine on glyoxal, and belonging to the class of oximes; also, any one of a group of substances resembling glyoxime proper, and of which it is a type. See Oxime.

A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic or syenitic gneiss. Similar va…

A metallic element, constituting the most precious metal used as a common commercial medium of exchange. It has a characteristic yellow color, is one of the heaviest substances known (specific gravity 19.32), is soft, and very malleable and ductile. It is quite unalterable by heat, moisture, and most corrosive agents,…