Crossword-Solution: PYROXYLIN
Dictionary
| Word | Word Type | Definition |
|---|---|---|
| Pyroxylin | n. | A substance resembling gun cotton in composition and properties, but distinct in that it is more highly nitrified and is soluble in alcohol, ether, etc.; -- called also pyroxyle. |
We have 3 clues for the answer “PYROXYLIN”
| Clue | Answers |
|---|---|
| yellow substance obtained by nitrating cellulose with a mixture of nitric and sulphuric acids | 1 answer |
| cellulose nitrate | 4 answers |
| VARNISH-making material | 6 answers |
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Dermatological complaint
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Hint 1 meaning
An inflammatory disease of the skin, characterized by the
presence of redness and itching, an eruption of small vesicles, and the
discharge of a watery exudation, which often dries up, leaving the skin
covered with crusts; -- called also tetter, milk crust, and salt rheum.
Hint 2 anagram
CMZAEE
Hint 3 another clue
eruption
9 +2
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Sentences with PYROXYLIN (5)
The best is one which I use, made of pyroxylin, the soluble cotton of commerce, dissolved in amyl acetate and acetone with some other substances that make it perfectly sterile.
The hexa-nitrate, or gun-cotton, has the formula, C_{12}H_{14}O_{4}(ONO_{2})_{6}; and collodion-cotton, pyroxylin, &c., form the lower nitrates, i.e., the tetra- and penta-nitrates.
Later, ground cork was mixed with the linseed oil and then it went by its Latin name, "linoleum." The next step was to cut loose altogether from the natural oils and use for the varnish a solution of some of the cellulose esters, usually the nitrate (pyroxylin or guncotton), more rarely the acetate.
Collodion, as I have explained in previous chapters, is a solution in ether and alcohol of guncotton (otherwise known as pyroxylin or nitrocellulose), which is made by the action of nitric acid on cotton.
The nitration is not carried so far as to produce the guncotton used in explosives but only far enough to make a soluble nitrocellulose or pyroxylin.