Definition of Newton's scale in English:

Newton's scale

(also Newton scale)

noun

  • A scale devised by Newton which records the order and relative position of the series of colours which appear in Newton's rings and in similar sets of fringes formed by interference in thin films and in birefringent crystals; (more generally) this series of colours. Now rare.

Origin

Early 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.