Definitions

1. adjective

relating to or characteristic of Sir Isaac Newton or his theories, especially those of classical mechanics.

“The newtonian laws of motion have been widely applied in various fields of science.”

2. noun

a supporter or adherent of Newton’s theories or methods.

“The newtonian physicist was a leading expert in his field.”

3. adverb

in the manner or style of Newton or according to his theories.

“The newtonian approach to solving the problem was adopted by many scholars.”