<p><strong>Noun:</strong></p><ul><li>a whitish, translucent, crystalline, pleasant-odored terpene ketone, C₁₀H₁₆O, obtained from the camphor tree, used chiefly in the manufacture of celluloid and in medicine as a counter-irritant for infections and in the treatment of pain and itching</li><li>any substance having medicinal or aromatic characteristics similar to those of camphor</li></ul>