Search the Dictionary

A liquid hydrocarbon, C10H20, of the ethylene series, regarded as a polymeric form of amylene.

A substance resembling starch, found in the green frothy scum formed on the surface of stagnant water.

olorless; as, in Physiol. Chem., the achromic point of a starch solution acted upon by an amylolytic enzyme is the point at which it fails to give any color with iodine.

ms common or ethyl alcohol (C2H5OH); methyl forms methyl alcohol (CH3.OH) or wood spirit; amyl forms amyl alcohol (C5H11.OH) or fusel oil, etc.

ing bronze pigments. In addition to acetote, benzine, and a little pyroxylin, it contains amyl acetate, which gives it the odor of bananas.

cies of gum from Bassora, as also of gum tragacanth and some gum resins. It is one of the amyloses. Ure.

e extracted from the seeds of the quince (Cydonia vulgaris), and regarded as a variety of amylose.

The thing degenerated. [R.] Cockle, aracus, . . . and other degenerations. Sir T. Browne. Amyloid degeneration, Caseous degeneration, etc. See under Amyloid, Caseous, etc.

hence called also starch sugar. It is also formed from starchy food by the action of the amylolytic ferments of saliva and pancreatic juice.

Any similar oxide of hydrocarbon radicals; as, amyl ether; valeric ether. Complex ether, Mixed ether (Chem.), an oxide of two different radicals in the same molecule; as, ethyl methyl ether, C2H5.O.CH3. -- Compound ether (Chem.), an ethereal salt or a salt of some hydrocarbon as the base; an ester. -- Ether engine (M…

The nutritious part of wheat; starch or farina; -- called also amylaceous fecula. (b) The green matter of plants; chlorophyll.

and consisting of several of the higher alcohols and compound ethers, but particularly of amyl alcohol; hence, specifically applied to amyl alcohol.

o sugar when boiled with dilute sulphuric or hydrochloric acid, and also by the action of amylolytic ferments.

t is colored blue by iodine, and is converted into dextrin and sugar by boiling acids and amylolytic ferments.

A peculiar amyloid substance, colored blue by iodine and sulphuric acid, occurring mainly as an abnormal infiltration into the spleen, liver, etc.

Consisting of, or resembling, lard. Lardaceous degeneration (Med.), amyloid degeneration.

A crystalline sugar formed from starch by the action of distance of malt, and the amylolytic ferment of saliva and pancreatic juice. It resembles dextrose, but rotates the plane of polarized light further to the right and possesses a lower cupric oxide reducing power.

A salt of nitrous acid. Amyl nitrite, a yellow oily volatile liquid, used in medicine as a depressant and a vaso-dilator. Its inhalation produces an instantaneous flushing of the face.

e digestive fluids, containing at least three distinct ferments, trypsin, steapsin and an amylolytic ferment, by which it acts upon all three classes of food stuffs. See Pancreas.

A hypothetical hydrocarbon, C5H10, metameric with the amylenes, and the nucleus of a large number of derivatives; -- so named because regarded as composed of five methylene residues. Cf. Trimethylene, and Tetramethylene.