I. (ˈ)n(y)ü|tōnēən adjective
Usage: usually capitalized
Etymology: Sir Isaac Newton + English -an
: of, relating to, or following Sir Isaac Newton, his discoveries, or doctrines
II. noun
( -s )
Usage: usually capitalized
1. also new·ton·ist ˈn(y)üt ə nə̇st : a follower of Sir Isaac Newton
2.
[by shortening]
: newtonian telescope