Harvey ball

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

Named after Harvey L. Poppel, generally credited with inventing them in the 1970s.

Noun[edit]

Harvey ball (plural Harvey balls)

  1. Any of a set of partially filled circular ideograms used to communicate qualitative information.