A dwarf is a person of short stature - under 4' 10 as an adult. More than 200 different conditions can cause dwarfism. A single type, called achondroplasia, causes about 70 percent of all dwarfism. Achondroplasia is a genetic condition that affects about 1 in 15,000 to 1 in 40,000 people. It makes your arms and legs short in comparison to your head and trunk.
Definition of NAPHTHALENE. : a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis.See naphthalene defined for kids. a crystalline aromatic hydrocarbon C10H8 usually obtained by distillation of coal tar and used especially in organic synthesis. See naphthalene defined for kids.
Naphthalene is a pesticide that changes from a solid to a gas. It is manufactured from coal tar or oil. Exposure to the fumes can cause headaches, nausea, dizziness and vomiting. It can cause anemia if a person or animal eats a mothball, or breathes enough of the vapors. Children who have consumed naphthalene mothballs can have fever, diarrhea, abdominal pain and pain while urinating.