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h

1
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abbreviation
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Which of the following words means “to make a crackling sound; crackle”?
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Other definitions for h (2 of 7)

h2

Symbol, Physics.

Other definitions for h (3 of 7)

H1

or h

[ eych ]
/ eɪtʃ /

noun, plural H's or Hs, h's or hs.
the eighth letter of the English alphabet, a consonant.
any spoken sound represented by the letter H or h, as in hot or behave.
something having the shape of an H.
a written or printed representation of the letter H or h.
a device, as a printer's type, for reproducing the letter H or h.

Other definitions for h (4 of 7)

H2

abbreviation
hard.
Grammar. head.
Electricity. henry.
Slang. heroin.
high.

Other definitions for h (5 of 7)

H3

Symbol.
the eighth in order or in a series.
(sometimes lowercase) the medieval Roman numeral for 200.Compare Roman numerals.
Chemistry. hydrogen.
Biochemistry. histidine.
Physics.
  1. enthalpy.
  2. horizontal component of the earth's magnetic field.
  3. magnetic intensity.
Music. the letter used in German to indicate the tone B.

Other definitions for h (6 of 7)

h.

or H.


abbreviation

Other definitions for h (7 of 7)

H.

abbreviation
(in prescriptions) an hour.

Origin of H.

From the Latin word hōra
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use h in a sentence

British Dictionary definitions for h (1 of 4)

h

H

/ (eɪtʃ) /

noun plural h's, H's or Hs
the eighth letter and sixth consonant of the modern English alphabet
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

British Dictionary definitions for h (2 of 4)

h

symbol for
physics Planck constant
hecto-

British Dictionary definitions for h (3 of 4)

H

symbol for
abbreviation for
Hungary (international car registration)

British Dictionary definitions for h (4 of 4)

h.

H.


abbreviation for
harbour
height
hour
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

Medical definitions for h (1 of 2)

h

The symbol forPlanck's constant

Medical definitions for h (2 of 2)

H

The symbol for the elementhydrogen
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for h (1 of 2)

h

Abbreviation of height
The symbol for Planck's constant.

Scientific definitions for h (2 of 2)

H

The symbol for henry.
The symbol for hydrogen.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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