H Definition
āch
noun
The eighth letter of the English alphabet: from the Greek eta, a borrowing from the Phoenician.
Webster's New World
Any of the speech sounds that this letter represents, as, in English, the (h) of hat.
Webster's New World
A type or impression for h or H.
Webster's New World
The eighth in a sequence or group.
Webster's New World
An object shaped like H.
Webster's New World
abbreviation
Hecto-
Webster's New World
Height.
Webster's New World
Hamiltonian.
American Heritage
Henry.
Webster's New World
Harbor.
Webster's New World
adjective
Of h or H.
Webster's New World
Eighth in a sequence or group.
Webster's New World
Shaped like H.
Webster's New World
symbol
Planck's constant.
Webster's New World
Hydrogen.
Webster's New World
(metrology) Symbol for the hectoohm, an SI unit of electrical resistance equal to 102 ohms.
Wiktionary
(IPA) Voiceless pharyngeal fricative.
Wiktionary
Dirac constant (pronounced "aitch-bar", sometimes written as h-bar or hbar)
Wiktionary
letter
numeral
interjection