تلفظ بین المللی : /pˌaɪɹəʊzˈaɪlɪn/ تلفظ : [p,aIroUz'aIlIn]
English
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.
A thorny shrub or tree (the Cratægus oxyacantha), having deeply lobed, shining leaves, small, roselike, fragrant flowers, and a fruit called haw. It is much used in Europe for hedges, and for standards in gard...
