pyroxylinPronunciation: /pʌɪˈrɒksɪlɪn/Definition of pyroxylin noun [mass noun] Chemistry a form of nitrocellulose which is less highly nitrated and is soluble in ether and alcohol. Origin: mid 19th century: from French pyroxyline, from Greek pur 'fire' + xulon 'wood'pyroxylin in other Oxford dictionaries Definition of pyroxylin in the US English dictionary
