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
Synonyms:
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
Wiktionary
Dirac constant (pronounced "aitch-bar", sometimes written as h-bar or hbar)
Wiktionary
letter

The eighth letter of the English alphabet, called aitch and written in the Latin script.

Wiktionary

The letter H with a stroke.

Wiktionary
numeral

The ordinal number eighth, derived from this letter of the English alphabet, called aitch and written in the Latin script.

Wiktionary
interjection

(Internet slang, usually humorous) Delete that last letter.

Read the fuc^H^Hine manual.
Wiktionary

Origin of H

  • A representation of ASCII character 0x08, which is backspace.

    From Wiktionary