Definition of gigantism in English:


Syllabification: gi·gan·tism
Pronunciation: /jīˈgantizəm


chiefly Biology
  • 1Unusual or abnormal largeness.
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    • The dodo of Mauritius (a giant pigeon) is a famous example of island gigantism.
    • Such gigantism usually leads to some form of extinction.
    • In 1992 I visited the island of Komodo - home of the Komodo dragon - to study gigantism among reptiles.
  • 1.1 Medicine Excessive growth due to hormonal imbalance.
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    • He published 400 papers, many of major importance, on subjects as diverse as acromegaly, Cushing's syndrome, gigantism, the effects of prolonged fasting, diabetes, and the hormone aldosterone.
    • A minority of patients have gigantism / acromegaly with elevated levels of prolactin and growth hormone.
    • Interest in dwarfism, gigantism, and acromegaly has spanned the centuries; literature, especially for children, is filled with stories about dwarfs and giants, while Old Testament writings have several descriptions of giants.
  • 1.2 Botany Excessive size in plants due to polyploidy.
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    • Of course, many plant parasites stimulate their hosts causing hypertrophy and gigantism; broom formation in mistletoes, and gall formation by insects and rust fungi are examples.

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