Толковый словарь английского языка Oxford English Reference - newtonian

adj. of or devised by Isaac Newton (see NEWTON). Phrases and idioms Newtonian mechanics the system of mechanics which relies on Newton's laws of motion concerning the relations between forces acting and motions occurring. Newtonian telescope a reflecting telescope with a small secondary mirror at 45° to the main beam of light to reflect it into a magnifying eyepiece.