D defs.my
Entry 1 sense Webster, 1913

Saccharin

/(săk"kȧ*rĭn)/ · Sac·cha·rin · IPA /ˈsækəɹɪn/
01 n. A bitter white crystalline substance obtained from the saccharinates and regarded as the lactone of saccharinic acid; -- so called because …
  1. 1.
    A bitter white crystalline substance obtained from the saccharinates and regarded as the lactone of saccharinic acid; -- so called because formerly supposed to be isomeric with cane sugar (saccharose).(Chem.)