sphericon

English
WOTD – 1 August 2009
Paper sphericon.

Pronunciation
  • (UK) IPA(key): /ˈsfɛɹ.ɪ.kɒn/
    • Audio (Southern England)(file)
  • (US) IPA(key): /ˈsfɪɹ.ə.kɑn/

Noun

sphericon (plural sphericons)

  1. (geometry) A solid constructed by slicing a bicone with 90-degree apices through a plane containing both of them, rotating one half by 90 degrees, and reconnecting them; the resulting shape has a single continuous face, and two edges.

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