(1907-64) a US scientist who worked in marine biology (=the study of the creatures and plants that live in the sea). She wrote several books, including Silent Spring, and she was one of the first people to realize that pesticides (=chemicals for protecting crops from insects) were damaging the environment.
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.