See Also: hypericin(medicine)
hypericin(dictionary)

lacklustre (iou) and hypericin (iou)


lacklustre (iou)



lacklustre adjective. Also *lackluster. L16.
[from LACK verb + LUSTRE noun1.]
Lacking in lustre or brightness, dull; lacking in vitality, force, or conviction, uninspired.
Shakespeare As You Like It He drew a dial from his poke, And, looking on it with lack-lustre eye, Says [etc.]. Dickens A faint lack-lustre shade of grey. T. Berger Her expression tended towards the lackluster, though her blue eyes were..bright enough.

hypericin (iou)



hypericin noun. M20.
[from HYPERICUM + -IN1.]
Pharmacology. A quinone, C30H14O8, found in the leaves and flowers of St John's wort, which is credited with antidepressant, cytotoxic, and antiviral properties and is used in herbal Remedies for depression.