Longman Dictionary of Contemporary English homepage

Sakharov, Andrei
     
Sakharov, Andrei
(1921-89) a Russian physicist who helped to develop the Soviet hydrogen bomb and who was also a dissident (=someone who criticizes his country's government and is badly treated because of his beliefs). He won the Nobel Peace Prize in 1975, but the Soviet government would not allow him to travel to Norway to receive it. He was sent away from Moscow as a punishment, until Mikhail Gorbachev became Soviet president and allowed him to return.
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?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary

Browse the dictionary