hypericin

hy per i cin |hīˈperəsin haɪˈpɛrɪsɪn | ▶noun a substance found in St. John's wort, credited with chemical and pharmacological properties similar to those of antidepressants. [A polycyclic quinone; chem. formula: C 30 H 14 O 8. ] ORIGIN early 20th cent.: from hypericum ‘a yellow-flowered plant ’ + -in, chemical suffix.

hypericin

hypericin |hʌɪˈpɛrɪsɪn | ▶noun [ mass noun ] a substance found in St John's wort, credited with chemical and pharmacological properties similar to those of antidepressants. ●A polycyclic quinone; chem. formula: C 30 H 14 O 8. ORIGIN early 20th cent.: from hypericum + -in 1 .