Other definitions for h (2 of 7)

h2

Symbol, Physics.

Other definitions for H (3 of 7)

H1

or h

[ eych ]

noun,plural H's or Hs, h's or hs.
  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.

  1. something having the shape of an H.

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

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

Other definitions for H (4 of 7)

H2

abbreviation
  1. hard.

  2. Grammar. head.

  1. Electricity. henry.

  2. Slang. heroin.

  3. high.

Other definitions for H (5 of 7)

H3

Symbol.
  1. the eighth in order or in a series.

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

  1. Chemistry. hydrogen.

  2. Biochemistry. histidine.

  3. Physics.

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

Other definitions for h. (6 of 7)

h.

abbreviation
  1. harbor.

  2. hard.

  1. hardness.

  2. heavy sea.

  3. height.

  4. hence.

  5. high.

  6. Baseball. hit; hits.

  7. horns.

  8. Also hr. hour; hours.

  9. hundred.

  10. husband.

Other definitions for H. (7 of 7)

H.

abbreviation
  1. (in prescriptions) an hour.

Origin of H.

7
From the Latin word hōra

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use h in a sentence

British Dictionary definitions for h (1 of 4)

h

H

/ (eɪtʃ) /


nounplural h's, H's or Hs
  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

    • something shaped like an H

    • (in combination): an H-beam

British Dictionary definitions for h (2 of 4)

h

symbol for
  1. physics Planck constant

  2. hecto-

British Dictionary definitions for H (3 of 4)

H

symbol for
  1. chem hydrogen

  2. physics

    • magnetic field strength

    • Hamiltonian

  1. electronics henry or henries

  2. thermodynamics enthalpy

  3. (on Brit pencils, signifying degree of hardness of lead) hard: H; 2H; 3H Compare B (def. 9)

  4. slang heroin

abbreviation for
  1. Hungary (international car registration)

British Dictionary definitions for h. (4 of 4)

h.

abbreviation for
  1. harbour

  2. height

  1. hour

  2. 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

Scientific definitions for h (1 of 2)

h

  1. Abbreviation of height

Scientific definitions for H (2 of 2)

H

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