cypripedin

== English == === Etymology === From Cypripedium +‎ -in. === Noun === cypripedin (uncountable) (organic chemistry) A precipitate from the tincture of Cypripedium parviflorum var. pubescens, employed in treating neuralgia and hysteria. ==== References ==== The Practitioner's Medical Dictionary (Gould, 1919). American Illustrated Medical Dictionary (1919).