What is the meaning of Corrin?

A molecular species that contains four reduced pyrrole rings joined in a macrocycle by three -CH= groups and one direct bond; central to the cobalt-containing vitamin cobalamin.

inflection of córrer:

  1. third-person plural present subjunctive
  2. third-person plural imperative

third-person plural present subjunctive

third-person plural imperative

Source: wiktionary.org