an I-beam having flanges the width of the web.
a rolled steel joist or girder with a cross section in the form of a capital letter H Compare I-beam
- Hb f
Hb F n. A form of hemoglobulin present in high concentrations in the fetal stage of development but normally diminishing to a low concentration in children and adults except in certain anemias, leukemia, and hemoglobin disorders.
- Hb h
Hb H abbr. hemoglobin H
1. His Britannic Majesty; Her Britannic Majesty. abbreviation (in Britain) 1. His (or Her) Britannic Majesty Her (or His) Britannic Majesty
- Hb m
Hb M abbr. hemoglobin M