There are 2 definitions of hr in English:

hr1

Syllabification: hr

abbreviation

Hour.

Definition of hr in:

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Word of the day internecine
Pronunciation: ˌɪntəˈniːsʌɪn
adjective
destructive to both sides in a conflict

There are 2 definitions of hr in English:

HR2

Syllabification: HR

abbreviation

1North American House of Representatives.
1.1Human resources.

Definition of hr in: