Definition of Armco in English:

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Pronunciation: /ˈɑːmkəʊ/


[mass noun] trademark
A very pure soft iron, used in particular for roadside crash barriers.
Example sentences
  • It does have its difficulties, no run off areas, tight Armco, an interesting track surface with gutters and manhole covers, but with Monaco, they don't really bother you.
  • Other safety advances include improvements to marshal posts, new gravel traps and Armco fencing around the circuit.
  • There being no catch fencing or Armco to deflect him, he died from hitting a tree.


Early 20th century: acronym from American Rolling Mill Company.

For editors and proofreaders

Line breaks: Armco

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