tid

abbreviation

three times a day

Word History

Etymology

Latin ter in die

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ticul

tid

tidal

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“Tid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tid. Accessed 4 Feb. 2026.

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Medical Definition

tid

abbreviation

three times a day

—used in writing prescriptions

Etymology

Latin ter in die

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tid

abbreviation

Word History

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Cite this Entry

Medical Definition

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