Dictionary.com

Hb

Save This Word!

Symbol, Biochemistry.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Other definitions for Hb (2 of 3)

HB

abbreviation
hard black: a designation for a graphite pencil of medium hardness.
U.S. Government. House Bill.

Other definitions for Hb (3 of 3)

h.b.

abbreviation Football.
halfback.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Hb in a sentence

British Dictionary definitions for Hb (1 of 2)

Hb

symbol for
haemoglobin

British Dictionary definitions for Hb (2 of 2)

HB

symbol for (on Brit pencils)
hard-black: denoting a medium-hard leadCompare H (def. 5), B (def. 9)
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
FEEDBACK