Benham's top

English

Etymology

Invented by Charles Benham.

Noun

Benham's top (plural Benham's tops)

  1. A disk marked with lines or colours that appears to produce arcs of colour when spun.
    Synonyms: Benham's disc, Benham's disk
This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.