noun
mass noun Trademark- proprietary term for imipramine‘By 1958 Geigy's antihistamine, called imipramine, or Tofranil, had become another blockbuster.’
- ‘Before SSRIs there were tricyclics, such as Elavil, Norpramin, Tofranil, Aventyl, and Surmentil.’
Origin
1950s of unknown origin.
Are You Learning English? Here Are Our Top English Tips