Showing definitions for Hb

Hb

¹ American

Symbol, Biochemistry.

hemoglobin.

HB ² American

abbreviation

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

h.b. ³ American

abbreviation

Football.

halfback.

HB ¹ British

symbol

hard-black: denoting a medium-hard lead Compare H B

"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

Hb ² British

symbol

haemoglobin

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The state House passed HB 2034 on Feb. 13, 2026, by 55-39, with every yes vote coming from Democrats.

From The Wall Street Journal • May 15, 2026

The fact that the ERP is currently at a below-average level suggests investors could see lower returns ahead for U.S. stocks, according to Gina Martin Adams, chief market strategist for HB Wealth.

From MarketWatch • May 6, 2026

"The public's favourite item of the 20 or so things I have made has to be the five-foot long HB 2 pencil," he said.

From BBC • Apr. 9, 2026

“My gosh, we did this!” exclaimed Protect HB co-chair Pat Goodman, who had been checking people in at the door just a few moments earlier.

From Los Angeles Times • Jun. 28, 2025

Using my HB pencil, I work to sketch out the barbs of the feather, drawing lines from the rachis outward.

From "Red Flags and Butterflies" by Sheryl Azzam

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023