(1831–91), Russian spiritualist, born in Ukraine; born Helena Petrovna Hahn; known as Madame Blavatsky; full name Helena Petrovna Blavatsky. In 1875 she co-founded the Theosophical Society in New York.
Definition of Blavatsky, Helena in US English:
Blavatsky, Helena
proper noun-ˈvätskē
(1831–91), Russian spiritualist, born in Ukraine; born Helena Petrovna Hahn ; known as Madame Blavatsky ; full name Helena Petrovna Blavatsky. In 1875 she cofounded the Theosophical Society in New York.