Elinvar

noun

Definitions

Noun
  1. 1
    A nickel–iron–chromium alloy notable for having a modulus of elasticity which does not change much with temperature. countable, uncountable
  2. 2
    Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures wordnet
  3. 3
    Any of various related alloys. countable, uncountable

Etymology

From French élasticité invariable (“invariable elasticity”).

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