n.
1.English scientist who formulated the law of elasticity and proposed a wave theory of light and formulated a theory of planetary motion and proposed the inverse square law of gravitational attraction and discovered the cellular structure of cork and introduced the term `cell' into biology and invented a balance spring for watches (1635-1703)
Idiom of the Day
out in left field
far from the right answer
The man's question was out in left field. He did not know what we were talking about.