Definition of giantism in English:

giantism

noun

  • [mass noun] A tendency towards abnormally large size; gigantism.

    • ‘Non-pathologic, non-ecophenotypic dwarfism and giantism are considered to be rare processes.’
    • ‘Mark suffers from a rare condition called pituitary giantism, caused by the excess secretion of the pituitary growth hormone.’
    • ‘Doctors say his son's growth was natural, and not the result of a condition such as giantism or acromegaly, caused by too much growth hormone.’
    • ‘Presumably their giantism is relevant to their ground nesting behavior.’

Pronunciation:

giantism

/ˈdʒʌɪəntɪz(ə)m/