Synonyms for Hr:

n.

division, customer services, branch, back office, acquisitions, desk, arm, departmental, divisional, department. base, ball girl, balk, batboy, baseline, ballpark, at-bat, ball boy, baseball, ball. min, half-hour, microsecond, S, M, nanosecond, millisecond. hr (noun)
60 minutes, hour.

Other synonyms:

microsecond, millisecond, nanosecond. min, half-hour. S. M. Other relevant words:
base, batboy, microsecond, balk, half-hour, branch, millisecond, baseball, min, M, S, ballpark, ball, acquisitions, baseline, desk, division, department, nanosecond, arm, divisional, departmental.