h-index

English

Etymology

The h stands for “highly cited” and Hirsch, since the metric was suggested in 2005 by physicist Jorge E. Hirsch.[1]

Noun

h-index

  1. An author-level metric that attempts to measure both the productivity and the citation impact of the publications of a scientist or scholar, based on a set of most cited papers and the number of citations in other publications.
    • 2020, Alan Kelly, How Scientists Communicate […] , Oxford University Press, →ISBN, page 196:
      A h-index of 10 means that a researcher has published 10 papers that were cited at least ten times.

References
  1. C. George Thomas (2021) “Academic Databases”, in Research Methodology and Scientific Writing, 2nd edition, Springer Nature, →ISBN, page 252: “It was originally meant as a tool for determining theoretical physicists' relative quality (Hirsch 2005), which is sometimes also called the Hirsch index or Hirsch number. The h in h-index stands for Hirsch and ‘highly cited’.”
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