Definition of pyroxylin in US English:

pyroxylin

noun

Chemistry
  • A form of nitrocellulose which is less highly nitrated and is soluble in ether and alcohol.

    • ‘The process of pyroxylin gunpowder production is a complex multiphase chemical engineering process.’

Origin

Mid 19th century: from French pyroxyline, from Greek pur ‘fire’ + xulon ‘wood’.

Pronunciation

pyroxylin

/pīˈräksələn/