Initialism of hyperimmunoglobulin E syndrome.

Third-person singular simple present indicative form of hie

That which belongs to him; the possessive case of he, used without a following noun. / Alternative spelling of His

Belonging to him. / (sometimes dated) Belonging to a person of unspecified gender. / (obsolete) Its; belonging to it. (Now only when implying personification.)

plural of hi

A friendly, informal, casual greeting said upon someone's arrival. / An exclamation to call attention. / (dated) Expressing wonder or derision.

The word "hi" used as a greeting.

Abbreviation of Hawaii.

Initialism of hyperspectral imaging.

Informal spelling of high, often in hyphenated terms.