H-beam

[ eych-beem ]
/ ˈeɪtʃˌbim /

noun

an I-beam having flanges the same width as its web, or connecting vertical section.
Also called H-bar [eych-bahr] /ˈeɪtʃˌbɑr/.

British Dictionary definitions for h-bar

H-beam

noun

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

Scientific definitions for h-bar

h-bar
[ āchbär′ ]

See Dirac's constant.