hs

1 of 3

abbreviation (1)

at bedtime

Hs

2 of 3

symbol

hassium

HS

3 of 3

abbreviation (2)

high school

Word History

Etymology

Abbreviation (1)

Latin hora somni

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Cite this Entry

“Hs.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hs. Accessed 3 Feb. 2026.

Medical Definition

hs

1 of 3 abbreviation
at bedtime
used especially in writing prescriptions

Hs

2 of 3 symbol
hassium

HS

3 of 3 abbreviation
house surgeon
Etymology

Abbreviation

Latin hora somni

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