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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  
[aych] / 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:

The UK's cold weather comes as the EU's climate service says global warming has for the first time h exceeded the 1.5C warning limit across an entire year.

From BBC ● Feb. 9, 2024

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

From Salon ● Jan. 31, 2024

Unlike previous studies, the authors highlight that one of the strengths of this new research is that they used the MET h as the objective physical activity measurement to take all daily activities into account.

From Science Daily ● Sep. 21, 2023

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

From Textbooks ● Apr. 19, 2023

Emma unfroze a little, starting to point out to Natalie, “If that h translates into a t, that makes that word ‘this.’

From "The Strangers" by Margaret Peterson Haddix

"Our thoughts are with his wife Gwen, his children, grandchildren and great-grandchildren, and all who knew and loved H."

From BBC ● Sep. 26, 2026

When the City Council initially declined to pass tough anti-corruption laws, voters overwhelmingly passed Proposition H to create an independent watchdog tasked with enforcing a tough new set of regulations governing city officials’ conduct.

From Los Angeles Times ● Aug. 11, 2026

Marvel announced the Black Panther three-quel with Jonsson appearing in front of thousands of fans at Comic-Con's famous Hall H.

From Barron's ● Jul. 26, 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

Just then, a man walking down H Street wandered up the front steps of the house, knocked on the front door, and rang the bell.

From "Chasing Lincoln's Killer" by James L. Swanson

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

Screen print of Sweet Dreams, Baby! by Roy Lichtenstein, 35.5" h. x 25.5" w.;

From Architectural Digest ● Oct. 8, 2014

Abitibi Power holdings, developed and in reserve, amount to 700,000 h. p.

From Time Magazine Archive

Longitude in degrees 90  60  49  West.   h. m.   s.

From The South-West By a Yankee. In Two Volumes. Volume 1 by Joseph Holt Ingraham

Draper’s father, William H. Draper Jr., started in venture capital in the late 1950s.

From The Wall Street Journal ● Oct. 15, 2026

William H. Draper III, a pioneering Silicon Valley venture capitalist, died on Sept. 8 at the age of 98.

From The Wall Street Journal ● Oct. 15, 2026

Thursday’s decision was signed by justices Jacqueline H. Nguyen, an Obama appointee and Roopali H. Desai, a Biden appointee.

From Los Angeles Times ● Sep. 25, 2026

But that term is an all-encompassing one, representing bills, joint resolutions of Congress and even celebratory resolutions, such as H. Res.

From Salon ● Sep. 18, 2026

The reaction to these later broadcasts suggests there was more to the Mercury’s success: the H. G. Wells story itself.

From "Spooked!" by Gail Jarrow

Norms packaging is radically different from Preparation H’s, too.

From The Wall Street Journal ● Dec. 21, 2025

An hour before his first performance at the Coachella Music and Arts Festival’s main stage, a horde of managers, bandmembers and label execs crowded the entrance of Junior H’s artist trailer.

From Los Angeles Times ● Apr. 19, 2025

“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

Latvia and Canada will play for Group H’s top spot on Tuesday.

From Washington Times ● Aug. 27, 2023

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

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

Hs work came to be exhibited in major museums, including the Pompidou Center in Paris, the Victoria and Albert Museum in London, and the Museum of Modern Art in New York.

From Washington Post ● Jun. 26, 2018

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

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

From Time Magazine Archive

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

From Time Magazine Archive

The usually natty Mr. Truman seemed almost rumpled after a day that began at 5 a.m.; by late afternoon h's shirt was mussed and his four-point breast-pocket handkerchief had lost its Esquire esprit.

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

Julien Leparoux is in for Vasilika hs won two Grade 1s, four Grade 2s and one Grade 3.

From Los Angeles Times ● Aug. 3, 2019

Roughly speaking, I should say that in England he who bothers about his hs is a fool, and he who ridicules a dropped h a snob.

From Captain Brassbound's Conversion by Bernard Shaw

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