elinvar是什么意思？

elinvar

英['elɪnvɑ:] 美['elɪnvɑ]

• n. 镍铬恒弹性钢；

英英词典释义

• Noun
  1. Elinvar is a trademark for a kind of nickel-chromium steel used for watch springs because its elasticity is constant over a wide range of temperatures