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Noun: giantism  'jI-un,ti-zum
  1. Excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland
    - gigantism, overgrowth
     
  2. Excessive largeness of stature
    - gigantism

Derived forms: giantisms

Type of: bigness, hypertrophy, largeness

Encyclopedia: Giantism