1. An alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments

Type of: alloy, metal

Encyclopedia: Invar

• Threskiornithidae
• thrice
• thrift
• thrift institution
• thriftily
• thriftiness
• thriftless
• thriftlessly
• thriftlessness
• thriftshop
• thrifty
• thrill
• thrilled
• thriller
• thrillful
• thrilling
• thrillingly
• Thrinax
• Thrinax keyensis
• Thrinax microcarpa
• Thrinax morrisii
• Thrinax parviflora
• thrip
• thripid
• Thripidae