TD

abbreviation

1
tardive dyskinesia
2
touchdown

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T-cushion
TD
TDD
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Cite this Entry

“TD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/TD. Accessed 13 Jul. 2025.

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Medical Definition

Td

1 of 2 abbreviation
tetanus diphtheria
—used for a vaccine containing toxoids of the bacteria causing tetanus and diphtheria

TD

2 of 2 abbreviation
tardive dyskinesia
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