invar

1. 1.

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

   Broaderalloy

   trademark

Other forms of invar

plural

invars·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about invar

What does invar mean?

invar means "an alloy of iron and nickel having a low coefficient of thermal expansion; used in tuning forks and measuring tapes and other instruments".

How many syllables are in invar?

invar has 2 syllables: in-var. The stress falls on "in".

Is invar a common word?

invar is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.