H

H¹

(also h)

noun (plural Hs or H's)

1》 the eighth letter of the alphabet.

2》 denoting the next after G in a set of items, categories, etc.

3》 (H) Music (in the German system) the note B natural.

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H²

abbreviation

1》 (of a pencil lead) hard.

2》 height.

3》 Physics henry(s).

4》 informal heroin.

5》 Hungary (international vehicle registration).

6》 Brit. (on street signs) hydrant.

symbol

1》 Chemistry enthalpy.

2》 the chemical element hydrogen.

3》 Physics magnetic field strength.

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H

Music (in the German system) the note B natural.

→ H