H

Pronunciation

• (letter name) IPA: /eɪtʃ/, /heɪtʃ/

• (phoneme) IPA: /h/, silent

Full definition of h

Letter

Number

{{initialism-old|en}}

1. (science) abbreviation for hour particularly when used as a (non-SI#English, SI) unit of time alongside International System of Units (SI) units
• 1908, Francis Ernest Lloyd, The Physiology of Stomata (Carnegie Institution of Washington), page 83:Another instance: 2

1. (baseball) the statistic reporting the number of hits by a player
2. (slang) heroin
3. (computing) hexadecimal (following a number)
• 1994, Jan Axelson, The microcontroller idea book (page 47)The commands assume that the NV memory is addressed beginning at 8000h in external data memory.

• Η (Greek eta)
• Н (Cyrillic en)