H Definition & Meaning

American

British

Etymology

Related Words

Synonyms h 1 American

abbreviation

1. hard.

h 2 American Symbol, Physics.

1. Planck's constant.

H 3 American [eych] / eɪtʃ / Or h

noun

plural

H's, Hs, h's, 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.

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

3. 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

Etymology

Origin of H.

From the Latin word hōra

Related Words

• dope
• drug
• narcotic
• smack

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.