Definition of St. John's wort in English:

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St. John's wort

(also St. Johns wort)

noun

A herbaceous plant or shrub with distinctive yellow five-petaled flowers and paired oval leaves, used in medicinal preparations to treat various disorders, including depression.
  • Genus Hypericum, family Guttiferae: many species, in particular H. perforatum.
Example sentences
  • Marie-Ange began by lighting the candle, which was a hollow tube infused with honey and herbs including sage, St John's wort and camomile, which are believed to have medicinal and healing properties.
  • Psychiatrist Dr David Wheatley has published two independent clinical trials which shows that 60% of patients with mild to moderate depression respond to St John's wort.
  • Products such as St John's wort may act as a mild monoamine oxidase inhibitor or as a serotonin reuptake inhibitor.

Origin

So named because some species come into flower near the feast day of St. John the Baptist (June 24).

For editors and proofreaders

Syllabification: St. John's wort

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