camphor ball,
mothball a small sphere of camphor or naphthalene used to keep moths away from stored clothing
celluloid highly flammable substance made from cellulose nitrate and camphor; used in e.g. motion-picture and X-ray film; its use has decreased with the development of nonflammable thermoplastics
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Wiktionary
Substantiv
camphor -
A white transparent waxy crystalline isoprenoidketone, with a strong pungent odour, used in pharmacy.
Wikipedia
Camphor is a waxy, white or transparent solid with a strong, aromatic odor. It is a terpenoid with the chemical formula C10H16O. It is found in wood of the camphor laurel, a large evergreen tree found in Asia and also of Dryobalanops aromatica, a giant of the Bornean forests.
