Hb
1 Americanabbreviation
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hard black: a designation for a graphite pencil of medium hardness.
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U.S. Government. House Bill.
abbreviation
symbol
symbol
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.
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Low values of red blood cell count, or RBC, hemoglobin, or Hb, and hematocrit, or HCT, would indicate that the patient is suffering from anemia.
From Salon ● Feb. 7, 2024
The oxygen dissociates from the Hb molecule, shifting the oxygen dissociation curve to the right.
From Textbooks ● Jun. 9, 2022
Thalassemia is a rare genetic disease caused by a defect in either the alpha or the beta subunit of Hb.
From Textbooks ● Jun. 9, 2022
It is easier to bind a second and third oxygen molecule to Hb than the first molecule.
From Textbooks ● Jun. 9, 2022
Td is the office call of young Dailey, Hb of Barker, and Jb of Master Bailey.
From Harper's Round Table, August 6, 1895 by Various
“It’s not about generating more return,” says Brad Glover, senior wealth advisor at HB Wealth in Tampa, Fla. “It’s about maintaining proper risk for your situation.”
From Barron's ● May 28, 2026
In advance of Nvidia’s earnings, investors didn’t have much else to parse, turning a breakneck rally into more of a holding pattern, said Gina Martin Adams, chief market strategist at HB Wealth.
From The Wall Street Journal ● May 20, 2026
“It has been wild, to say the least,” HB Wealth chief market strategist Gina Martin Adams said during an interview with MarketWatch on Thursday.
From MarketWatch ● Apr. 30, 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
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
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.