D defs.my
Entry 1 sense Webster, 1913

Quercitin

/(kwẽr"sĭ*tĭn)/ · Quer·ci·tin · IPA /ˈkwɜɹsɪtɪn/
01 n. A yellow crystalline substance, occurring quite widely distributed in the vegetable kingdom, as in apple-tree bark, horse-chestnut leaves, …
  1. 1.
    A yellow crystalline substance, occurring quite widely distributed in the vegetable kingdom, as in apple-tree bark, horse-chestnut leaves, etc., but originally obtained by the decomposition of quercitrin. Called also meletin.(Chem.) Also: meletin