invar /in'vɑ:/ 📖 中文释义 n. 不变钢[化] 殷钢; 不胀钢; 因瓦合金 🔗 释义中的汉语词殷钢 📘 English Definition(英文释义) n. an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments ← invantio invar steel →