I-beam

[ ahy-beem ]

noun
  1. a rolled or extruded metal beam having a cross section resembling an I.: Compare H-beam.

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Origin of I-beam

1
First recorded in 1890–95
  • Also called I-bar [ahy-bahr] /ˈaɪˌbɑr/ .

Words Nearby I-beam

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British Dictionary definitions for I-beam

I-beam

noun
  1. a rolled steel joist or a girder with a cross section in the form of a capital letter I: Compare H-beam

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012