GIGANTISM
gigantism, giantism
(noun) excessive largeness of stature
giantism, gigantism, overgrowth
(noun) excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland
Source: WordNet® 3.1
Etymology
Noun
gigantism (countable and uncountable, plural gigantisms)
The quality or state of being gigantic; being of abnormally large size.
A condition where there is over-production of growth hormone by the pituitary gland in a child before the bone growth plates close, resulting in excessive long bone growth, accompanied by muscular weakness and sexual impotence.
Synonyms
• giantism
• macrosomia
Source: Wiktionary