a flat, colored, ring-shaped membrane behind the cornea of the eye, with an adjustable circular opening (pupil) in the center
a plant with sword-shaped leaves and showy flowers, typically purple, yellow, or white. Native to both Eurasia and North America, it is widely cultivated as an ornamental
a preparation of the fragrant rootstock of an iris, used in perfumery and formerly in medicine
(1919–99), British novelist and philosopher, born in Ireland; full name Dame Jean Iris Murdoch. She is primarily known for her novels, many of which explore complex sexual relationships and spiritual life. Notable novels: The Sandcastle (1957), The Sea, The Sea (1978), and The Philosopher’s Pupil (1983)
an adjustable diaphragm of thin overlapping plates for regulating the size of a central hole, especially for the admission of light to a lens
a plant with sword-shaped leaves and showy flowers, typically purple, yellow, or white. Native to both Eurasia and North America, it is widely cultivated as an ornamental
a plant with sword-shaped leaves and showy flowers, typically purple, yellow, or white. Native to both Eurasia and North America, it is widely cultivated as an ornamental
a large European woodland butterfly that has iridescent purplish-black wings with white markings
a yellow-flowered iris that grows by water and in marshy places, native to Europe and naturalized in North America
a purple-flowered iris native to Eurasia and North Africa, which produces an unpleasant odour, especially when bruised
a plant with sword-shaped leaves and showy flowers, typically purple, yellow, or white. Native to both Eurasia and North America, it is widely cultivated as an ornamental
(1919–99), British novelist and philosopher, born in Ireland; full name Dame Jean Iris Murdoch. She is primarily known for her novels, many of which explore complex sexual relationships and spiritual life. Notable novels: The Sandcastle (1957), The Sea, The Sea (1978), and The Philosopher’s Pupil (1983)