Lexic.us

¹ Source: wiktionary.com

Definition of Resins

1. resin [v] - See also: resin

Medical Definition of Resins

1. Flammable, amorphous, vegetable products of secretion or disintegration, usually formed in special cavities of plants. They are generally insoluble in water and soluble in alcohol, carbon tetrachloride, ether, or volatile oils. They are fusible and have a conchoidal fracture. They are the oxidation or polymerization products of the terpenes, and are mixtures of aromatic acids and esters. most are soft and sticky, but harden after exposure to cold. (12 Dec 1998)

Lexicographical Neighbors of Resins

Literary usage of Resins

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Dictionary of Chemistry and the Allied Branches of Other Sciences by Henry Watts (1869)
"resins. Л class of compounds of vegetable origin, characterised by being ... resins which exude spontaneously from plants, or from incisions in the stems ..."

2. Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of by Alfred Henry Allen (1911)
"resins. BY M. BENNETT BLACKLER, PH. D. The resins form a group of substances of very complex and variable chemical composition, but having somewhat similar ..."

3. Chemical Abstracts by American Chemical Society (1915)
"Seifensieder- . 62, 686, 705-6(1915).—One method of hardening resins is to carry the distn. farther ihan ordinarily. The same result may be obtained by ..."

4. A Dictionary of Arts, Manufactures, and Mines by Andrew Ure (1858)
"The hard resins do not conduct electricity, and they become negatively ... resins are insoluble in water, but dissolve in considerable quantities in alcohol ..."

5. A Compendium of the Course of Chemical Instruction in the Medical Department by Robert Hare (1836)
"Strong sulphuric acid decomposes resins. Nitric acid, by long digestion on them, produces a substance analogous to tannin. They are dissolved by acetic acid ..."

6. Chambers's Encyclopaedia: A Dictionary of Universal Knowledge for the People (1868)
"Like the natural oils, the natural resins are usually mixtures of two or more distinct ... These resins combine with the alkalies, and form frothy soap-like ..."

7. The American Cyclopaedia: A Popular Dictionary of General Knowledge edited by George Ripley, Charles Anderson Dana (1883)
"resins, a class of proximate principles existing in almost all plants, and appearing upon ... It is possible that the resins never exist as such in plants, ..."

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