Newtonian

From Newton +‎ -ian.

• (UK) IPA^(key): /njuːˈtəʊnɪən/

• Audio (Southern England):

  (file)

• (US) IPA^(key): /n(j)uˈtoʊniən/
• Rhymes: -əʊniən

Newtonian (comparative more Newtonian, superlative most Newtonian)

1. Of or relating to Isaac Newton, or his laws and theories.
2. (fluid mechanics, of a fluid) Obeying Newton's law of viscosity; i.e. having a constant viscosity.
3. (physics) Of or relating to classical physics that does not take relativity into account.
4. (astronomy) Being or relating to a type of reflecting telescope using a concave primary mirror and a flat diagonal secondary mirror.

Newtonian (plural Newtonians)

1. A scientist supporting Isaac Newton's views on physics and mathematics.
2. (astronomy) A type of reflecting telescope using a concave primary mirror and a flat diagonal secondary mirror.