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  • h
    h
    abbreviation
  • H
    H
    noun
    the eighth letter of the English alphabet, a consonant.
  • h.
    h.
    abbreviation
    harbor.
  • H.
    H.
    abbreviation
    (in prescriptions) an hour.
Synonyms

h

1 American  

abbreviation

  1. hard.


h 2 American  
Symbol, Physics.
  1. Planck's constant.


H 3 American  
[eych] / eɪtʃ /
Or h

noun

  • H's,
    plural
  • Hs,
    plural
  • h's,
    plural
  • hs
    plural
  1. the eighth letter of the English alphabet, a consonant.

  2. any spoken sound represented by the letter H or h, as in hot or behave.

  3. something having the shape of an H .

  4. a written or printed representation of the letter H or h.

  5. a device, as a printer's type, for reproducing the letter H or h.


H 4 American  

abbreviation

  1. hard.

  2. Grammar. head.

  3. Electricity. henry.

  4. Slang. heroin.

  5. high.


H 5 American  
Symbol.
  1. the eighth in order or in a series.

  2. (sometimes lowercase) the medieval Roman numeral for 200.

  3. Chemistry. hydrogen.

  4. Biochemistry. histidine.

  5. Physics.

    1. enthalpy.

    2. horizontal component of the earth's magnetic field.

    3. magnetic intensity.

  6. Music. the letter used in German to indicate the tone B.


h. 6 American  
Or H.

abbreviation

  1. harbor.

  2. hard.

  3. hardness.

  4. heavy sea.

  5. height.

  6. hence.

  7. high.

  8. Baseball. hit; hits.

  9. horns.

  10. Also hr. hour; hours.

  11. hundred.

  12. husband.


H. 7 American  

abbreviation

  1. (in prescriptions) an hour.


H 1 British  

symbol

  1. chem hydrogen

  2. physics

    1. magnetic field strength

    2. Hamiltonian

  3. electronics henry or henries

  4. thermodynamics enthalpy

  5. (on Brit pencils, signifying degree of hardness of lead) hard Compare B

    H

    2H

    3H

  6. slang heroin

"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

abbreviation

  1. Hungary (international car registration)

"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
h 2 British  
/ eɪtʃ /

noun

  1. the eighth letter and sixth consonant of the modern English alphabet

  2. a speech sound represented by this letter, in English usually a voiceless glottal fricative, as in hat

    1. something shaped like an H

    2. ( in combination )

      an H-beam

"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

h. 3 British  

abbreviation

  1. harbour

  2. height

  3. hour

  4. husband

"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

h 4 British  

symbol

  1. physics Planck constant

  2. hecto-

  3. chess See algebraic notation

"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

Other Word Forms

Noun Inflected Forms

Etymology

Origin of H.

From the Latin word hōra

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:

Mr Issa says h works "six-and-a-half days a week", often popping up at stores across the country.

From BBC Feb. 29, 2024

Bee balm is a great addition to any existing pesto recipe as it blends well wit h basil.

From Salon Jan. 31, 2024

The battery showed a high reversible specific capacity of 1535.4 mA h g−1 for the first cycle at 0.2 A g−1 and an exceptional rate capability of 887 mA h g−1 at 5 A g−1.

From Science Daily Oct. 12, 2023

At the beginning of a word, the letter h is never followed by a consonant.

From Textbooks Apr. 19, 2023

One evening we went to move an attractive young woman who found it charming to spell the name Kim with an h, a y, and two ms.

From "Me Talk Pretty One Day" by David Sedaris

The news was first revealed Thursday during a Hall H panel at San Diego Comic-Con.

From Los Angeles Times Jul. 24, 2026

DC Studios will also grace Hall H to preview its HBO series "Lanterns," starring Kyle Chandler and Aaron Pierre as small-town Nebraska detectives, which debuts August 16.

From Barron's Jul. 23, 2026

This fall, H Mart is offering shoppers a guide to what they might do once they get everything home.

From Salon Jul. 23, 2026

Zhongji Innolight plans to offer 54.5 million H shares at a maximum offer price of HK$1,010 each.

From The Wall Street Journal Jul. 21, 2026

Kyle spread out the remaining cookies in his palm: U N F E H A V. He grinned as he deciphered an easy anagram.

From "Escape from Mr. Lemoncello's Library" by Chris Grabenstein

The starts of sessions 1 and 3 were separated by 24 h. c, Summary of stability across all 882 SMT-modulated CA1 cells.

From Nature Mar. 28, 2017

Snowy Owl, after John James Audubon, hand-colored engraving by Robert Havell, sheet size 26" w. x 38.75" h.;

From Architectural Digest Feb. 9, 2015

Hay gold-plated Phi scissors, 9" l.; $40. nest.co.uk, 011-44-1225-461-409 Paola C. Tulip carafe by Aldo Cibic, 8" w. x 5" d. x 9.5" h.;

From Architectural Digest Dec. 1, 2014

Chriscraft, proclaiming itself the world's largest mahogany boatbuilder, announced 24 new models, chief of which was a 34-ft. custom commuter which does 40 m. p. h., has two emergency bunks.

From Time Magazine Archive

The zone of contact between Z. h. hudsonius and Z. h. alascensis is still unknown; Alcorn obtained no specimens between Irons Creek and Whitehorse.

From Mammals taken Along the Alaska Highway by Rollin H. (Rollin Harold) Baker

Within a few decades, railroad fortunes like those of Jay Gould, E. H. Harriman, James J. Hill and Cornelius Vanderbilt were among the largest in the country.

From The Wall Street Journal Aug. 2, 2026

Vincent H. Smith is a nonresident senior fellow and the director of agricultural policy studies at the American Enterprise Institute.

From MarketWatch Jul. 24, 2026

The lawmakers signed letters to FCC Secretary Marlene H. Dortch to register their dismay and question the legitimacy of the FCC’s review protocol.

From Los Angeles Times Jul. 22, 2026

Prosecutors say Twana H. S. and Asia R. A. were married there according to Islamic law and became members of Islamic State between October 2015 and December 2017.

From BBC Jul. 13, 2026

When I mentioned the likely involvement of H. G. Burt—someone who had never been publicly linked to the killings—she showed little surprise and told me to come see her at the museum the following morning.

From "Killers of the Flower Moon" by David Grann

Preparation H’s blue and yellow package and blocky white logo appear sober by comparison.

From The Wall Street Journal Dec. 21, 2025

These cities were excluded from Measure H’s 0.25% sales tax but now subject to Measure A and will see their sale tax rate increase to 10.75%:

From Los Angeles Times Mar. 31, 2025

Baby H's mother told the inquiry Letby handed her a red box as her daughter was placed in an ambulance for transfer to another hospital on 27 September.

From BBC Sep. 23, 2024

“I think he really makes us go. You know, we all respect him so much. H’s a great leader, and, that’s nice to see him get rewarded with a couple of goals.”

From Seattle Times Feb. 17, 2024

She felt a twinge of embarrassment about the “handsome,” but she had run out of H’s and, frankly, she did find Simon pleasing to look at.

From "The Unseen Guest" by Maryrose Wood

The layout resembled two Hs — H-H — giving each apartment three exposures to natural light.

From Washington Post Aug. 5, 2022

Hs son, Michael, and grandson, Marco, each started 16 more 500s without a win.

From Seattle Times May 24, 2022

Hs 75-yard touchdown was reminiscent of his glory days with the Eagles.

From Los Angeles Times Sep. 28, 2021

"Hs pace of play was good, his conditioning was good. He looked like he was certainly ready to play, and prepared to play," Hynes said.

From Fox News Jan. 23, 2021

Her uncle’s last sentence had three stinky Hs in it.

From "The Smartest Kid in the Universe" by Chris Grabenstein

It's a strong opening line, picking up on the hard h's of the title, powering in to the poem.

From The Guardian Jul. 12, 2011

Under those terms, the peasant is neither able nor eager to improve the land or h's farming methods.

From Time Magazine Archive

All that year, and the next, and the next, and the next, Wheeler and h's comrades fought the French from end to end of the peninsula.

From Time Magazine Archive

By the time he reached h's majority, the Sanson dynasty had become a kind of headsman's peerage.

From Time Magazine Archive

Scanning through the h’s, I find no Henkles listed in town, or in the neighboring towns.

From "A Mango-Shaped Space" by Wendy Mass

However says she hs no plans to put down her camera just yet.

From BBC May 18, 2025

That show — the first ever devoted exclusively to hs work — brought together 21 paintings and revealed many new insights.

From New York Times Feb. 3, 2023

David Spade's mother, Judy, attends a taping of his show "Lights Out," on her birthday and suggests he goes too far in hs monologue sometimes, which prompts him to cut some jokes.

From Salon May 10, 2020

After his maiden victory in hs first race he has never raced below the allowance level.

From Los Angeles Times Jan. 10, 2020

But, father," he would say, "they don't all drop their hs.

From Changing Winds A Novel by St. John G. (St. John Greer) Ervine

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