English version

Archimedes

From Longman Dictionary of Contemporary EnglishArchimedesAr‧chi‧me‧des /ˌɑːkɪˈmiːdiːz◂ $ ˌɑːr-/  (?287–212 BC) a Greek mathematician and inventor who discovered Archimedes’ Principle, the fact that when you put an object in a liquid, it seems to weigh less by a certain amount, and this amount is equal to the weight of the liquid which it has taken the place of. According to a well-known story, he discovered this while in the bath, and jumped out of the bath and ran through the streets shouting ‘Eureka!’ (=I have found it!)
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