h

¹

abbreviation for

1. hard.

H

²

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.
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

³

Symbol, Physics.

1. Planck's constant.

H

⁴

abbreviation for

1. hard.
2. Grammar. head.
3. Electricity. henry ( def ).
4. Slang. heroin ( def ).
5. high.

H

⁵

Symbol.

1. the eighth in order or in a series.
2. (sometimes lowercase) the medieval Roman numeral for 200. Compare Roman numerals.
3. Chemistry. hydrogen ( def ).
4. Biochemistry. histidine ( def ).
5. Physics.
   1. enthalpy ( def ).
   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

or H.

abbreviation for

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

abbreviation for

1. (in prescriptions) an hour.

h

¹

/ 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

h.

²

abbreviation for

1. harbour
2. height
3. hour
4. husband

H

³

symbol for

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

   2H

   H

   3H

6. slang.
   heroin

abbreviation for

1. Hungary (international car registration)

h

⁴

symbol for

1. physics Planck constant
2. hecto-
3. chess See algebraic notation

Word History and Origins

Origin of h¹

From the Latin word hōra

Example Sentences

The Pumas will be replaced by new Airbus H-145 helicopters.

From BBC

With those roles, Murray catapulted into a star, a heartthrob with a capital H. He became a fixture of the tabloids and every teen girl’s crush, with his winning smile, bad-boy charm and tattoos.

From Los Angeles Times

On my screen I can see that behind her, on a shelf, is her toy monkey, Mr H.

From BBC

The first was 2017’s Measure H, a quarter-cent sales tax now repealed and replaced by Measure A, which will generate twice the funds.

From Los Angeles Times

Stephen Bunting booked his place in the last 16 with a 5-2 win over Josh Rock in Group H.

From BBC

Related Words

• dope
• drug
• narcotic
• smack