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crowfoot British & World English

A herbaceous plant related to the buttercups, typically having lobed or divided leaves and white or yellow flowers. Many kinds are aquatic with flowers held above the water

water crowfoot in crowfoot British & World English

A herbaceous plant related to the buttercups, typically having lobed or divided leaves and white or yellow flowers. Many kinds are aquatic with flowers held above the water

Dorothy Crowfoot Hodgkin in Hodgkin, Dorothy British & World English

(1910–94), British chemist, born in Egypt; full name Dorothy Crowfoot Hodgkin. She developed Sir Lawrence Bragg’s X-ray diffraction technique for investigating the structure of crystals and applied it to complex organic compounds. Using this method she determined the structures of penicillin, vitamin B12, and insulin. Nobel Prize for Chemistry (1964)