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Definition of H in English :

Define H in English

H meaning in English

Meaning of H in English

Pronunciation of H in English

H pronunciation in English

Pronounce H in English

H

see synonyms of h

Noun

1. atomic number 1, h, hydrogen

a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

2. h, henry

a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second

3. h, planck's constant

the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-second

4. h

the 8th letter of the Roman alphabet

5. enthalpy, h, heat content, total heat

(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure

Example Sentences:
'enthalpy is the amount of energy in a system capable of doing mechanical work'

WordNet Lexical Database for English. Princeton University. 2010.

H

see synonyms of h
nounWord forms: plural 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
3. 
a. 
something shaped like an H
b. 
(in combination)
an H-beam
symbol for
1. physics
Planck constant
2. 
hecto-
3. chess algebraic notation
symbol for
1. chemistry
hydrogen
2. physics
a. 
magnetic field strength
b. 
Hamiltonian
3. electronics
henry or henries
4. thermodynamics
enthalpy
5. 
(on Brit pencils, signifying degree of hardness of lead) hard
H
2H
3H
Compare B (sense 9)
6. slang
heroin
abbreviation for
7. 
Hungary (international car registration)
abbreviation for
1. 
harbour
2. 
height
3. 
hour
4. 
husband

Collins English Dictionary. Copyright © HarperCollins Publishers

H

see synonyms of h
1. 
harbor
2. 
hard
3. 
hardness
4. 
height
5.  Physics
a. 
henry
b. 
the horizontal component of terrestrial magnetism
6.  Slang
heroin
7. 
high
8.  Baseball
hit(s)
9. 
hot (on water faucets)
10. 
hour(s)
11. 
hundred(s)
12. 
husband
Anthropology
homo1
hydrogen
nounWord forms: plural h's or H's
1. 
the eighth letter of the English alphabet: from the Greek eta, a borrowing from the Phoenician
2. 
any of the speech sounds that this letter represents, as, in English, the (h) of hat
3. 
a type or impression for h or H
4. 
the eighth in a sequence or group
5. 
an object shaped like H
adjective
6. 
of h or H
7. 
eighth in a sequence or group
8. 
shaped like H
hecto-
Planck's constant

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

H

see synonyms of h
1. The symbol for hydrogen.
2. The symbol for enthalpy.
n. pl. h's or H's also hs or Hs
1. The eighth letter of the modern English alphabet.
2. Any of the speech sounds represented by the letter h.
3. The eighth in a series.
4. Something shaped like the letter H.
The symbol for Planck's constant.
abbr.
1. Physics Hamiltonian
2. Physics henry
3. high
4. Baseball hit
5. home telephone number
6. hot
7. humidity
abbr.
1. height
2. hour
abbr.
1. harbor
2. hard
3. husband

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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