WordReference Random House Unabridged Dictionary of American English © 2026
Hb,  Symbol, Biochem.
  1. Biochemistryhemoglobin.

h.b., [Football.]
  1. Sporthalfback.

Collins Concise English Dictionary © HarperCollins Publishers::
HB (on Brit pencils)
  1. hard-black: denoting a medium-hard lead
    Compare H5, B9
Collins Concise English Dictionary © HarperCollins Publishers::
Hb
  1. haemoglobin
'hb' also found in these entries (note: many are not synonyms or translations):
hemoglobin - ibis

Forum discussions with the word(s) "hb" in the title:


Look up "hb" at Merriam-Webster
Look up "hb" at dictionary.com
  • Go to Preferences page and choose from different actions for taps or mouse clicks.

In other languages: Spanish | French | Italian | Portuguese | Romanian | German | Dutch | Swedish | Russian | Polish | Czech | Greek | Turkish | Chinese | Japanese | Korean | Arabic

Advertisements
Advertisements
Report an inappropriate ad.
WordReference.com
WORD OF THE DAY
GET THE DAILY EMAIL!

Become a WordReference Supporter to view the site ad-free.