Definition of pyramidology in US English:

pyramidology

noun

  • A system of belief or branch of study based on the supposed occult or religious significance of the Egyptian pyramids, especially in relation to the dimensions of the Great Pyramid of Cheops at Giza.

Origin

1920s. From pyramid + -ology, after pyramidological, pyramidologist.

Pronunciation

pyramidology

/ˌpɪrəmɪˈdɒlədʒi/