Elinvar

Từ điển WordNet v3.1 - WordNet Dictionary

noun

Elinvar is a trademark for a kind of steel used for watch springs because its elasticity is constant over a wide range of temperatures
• Syn:
chrome-nickel steel
• Usage Domain:
trademark
• Hypernyms:
alloy steel

• Từ đồng nghĩa / Synonyms:
  chrome-nickel steel, Elinvar