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hg

1 American  
  1. hectogram; hectograms.


Hg 2 American  
Symbol, Chemistry.
  1. mercury.


HG 3 American  

abbreviation

  1. High German.


H.G. 4 American  

abbreviation

  1. High German.

  2. His Grace; Her Grace.


HG 1 British  

abbreviation

  1. High German

  2. His ( or Her) Grace

  3. (formerly, in Britain) Home Guard

"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

Hg 2 British  

symbol

  1. mercury

"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

hg 3 British  

abbreviation

  1. hectogram

"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

Etymology

Origin of Hg

< New Latin hydrargyrum, for Latin hydrargyrus (by analogy with aurum, argentum, etc.) < Greek hydrárgyros literally, liquid silver ( hydr- hydr- 1 + árgyros silver)

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.

See Examples For:

Also the name of the person from whom the original MS. was purchased—“Tad hg O’Cuinn bachelor in physic.”

From The Old English Herbals by Rohde, Eleanour Sinclair

Lay off kf, hg, horizontal and equal to l.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various

In the region of the posterior appendages, pa, the section passes through the hindgut, hg, and allantois, al.

From Development of the Digestive Canal of the American Alligator by Reese, C. M.

They used this information to model lifetime health outcomes, including heart attack, stroke, and heart failure, for patients with systolic blood pressure targets of <120 mm Hg, <130 mm Hg, and <140 mm Hg.

From Science Daily Apr. 16, 2026

As part of the deal, Hg will acquire all outstanding shares, including those held by KKR, which took OneStream public in 2024.

From The Wall Street Journal Jan. 6, 2026

A spokesperson for Hg declined to comment in an email to Barron’s.

From Barron's Jan. 6, 2026

Financial-software company OneStream said Tuesday that Hg had agreed to take the firm private as a majority voting shareholder through its Saturn Fund.

From The Wall Street Journal Jan. 6, 2026

The T-shirt inside had the word “Freddie” above the box from the periodic table that contains the atomic symbol Hg.

From "Odd One Out" by Nic Stone

According to NHS Wales, about one to three of every 100 pregnant women get HG, although it may go unreported.

From BBC Jan. 21, 2026

Dr Georgina Forbes, a specialist doctor in sexual and reproductive health, said she knew from her own experience how devastating HG can be for patients.

From BBC Jan. 21, 2026

Quantum Capital Group, a private-equity firm in Houston, raised such a continuation fund about two years ago to hold on to its portfolio company HG Energy.

From The Wall Street Journal Jan. 14, 2026

Sarah said she was "still devastated" about the decision she felt that she had to make when she chose to end her pregnancy due to the severity of HG.

From BBC Dec. 10, 2025

When the gas passes out of this and upward into the burner, it induces a current of air up through the holes, HG, and carries it along with it.

From Scientific American Supplement, No. 417, December 29, 1883 by Various

Another famous one-time resident was the author H.G.

From BBC Feb. 13, 2026

They ran a small but well-regarded school; one of their teachers was a young H.G.

From The Wall Street Journal Jan. 9, 2026

His most recent novel is “The Haunting of H.G. Wells.”

From Los Angeles Times Oct. 3, 2025

But the concept of these beings acting maliciously is a relatively new one, which really took hold at the turn of the 19th Century thanks to H.G.

From Salon Oct. 28, 2023

He resigned this position, however, in favour of H.G.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" by Various

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