(fandom slang) The ship of characters Harry Potter and Hermione Granger of the Harry Potter series.

(medicine) Initialism of hemoglobin and hematocrit. (as a combined blood test)

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

(sciences) Abbreviation of hour (particularly when used as a (non-SI) unit of time alongside International System of Units (SI) units)

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

(chiefly Internet slang) Used as a filler response when one does not have a response to use. Almost always used by itself.

plural of H

plural of h

(baseball) Abbreviation of hits. / (slang) Abbreviation of heroin. / (journalism) Abbreviation of half-year.

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