(1867-1934) a Polish scientist, who with her French husband Pierre Curie studied radioactivity and discovered two new radioactive substances, Polonium and radium. She won two Nobel Prizes, and was the first woman ever to win one.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.
Dictionary pictures of the day
Do you know what each of these is called?
Click on any of the pictures above to find out what it is called.