HyperDic > H... > H / h

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H / h > 5 senses
NOUN	1	H, hydrogen, atomic number 1	A nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas
	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
	4	H, letter h	The 8th letter of the Roman alphabet
	5	H, heat content, total heat, enthalpy	(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure

H / h > pronunciation
Sounds	ey'ch
Rhymes	mph, pH, Th

H > noun 1, substance
Meaning	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.
Synonyms	hydrogen, atomic number 1
Substance of	water, H2O
Broader	chemical element, element; gas
Narrower	tritium

H > noun 2, quantity
Meaning	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.
Synonyms	henry
Parts	abhenry; millihenry
Broader	inductance unit

h > noun 3, quantity
Meaning	The constant of proportionality relating the energy of a photon to its frequency. Approximately 6.626 x 10^-34 joule-second.
Synonyms	Planck's constant
Broader	factor of proportionality, constant of proportionality

H > noun 4, communication
Meaning	The 8th letter of the Roman alphabet.
Synonyms	letter h
Member of	Roman alphabet, Latin alphabet
Broader	letter, letter of the alphabet, alphabetic character

H > noun 5, attribute
Meaning	(thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure.
Examples	"enthalpy is the amount of energy in a system capable of doing mechanical work"
Synonyms	heat content, total heat, enthalpy
Category	thermodynamics
Broader	physical property

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