A white resinous substance existing in many plants, but mainly obtained from the camphor laurel, grown in China, Formosa, and Japan. The Borneo or Sumatra camphor, highly esteemed in China, is obtained from a lime tree in Sumatra, Borneo, and the Malay Peninsula. Camphor has an aromatic odor and a strong, unpleasant taste, and is soluble in alcohol and oil. Spirits of camphor is camphor dissolved in spirit. When this solution is poured into water, the camphor reappears in white flakes. Camphor is used as a medicine, and enters largely into varnishes used by painters. It is also used to kill moths and other insects among furs or woolen cloths. For a further important use of it see Celluoid.