Tm

1 of 3

symbol

thulium

2 of 3

service mark

ˈtē-ˈem

—used for a Transcendental Meditation technique

3 of 3

abbreviation

trademark

transverse myelitis

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T-man

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“Tm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Tm. Accessed 12 Mar. 2026.

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Medical Definition

1 of 2 symbol

thulium

2 of 2 service mark

ˈtē-ˈem

—used for a Transcendental Meditation technique

Last Updated: 24 Feb 2026 - Definition revised

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Tm

symbol

service mark

abbreviation

Browse Nearby Words

Cite this Entry

Medical Definition

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