|
Definition of Tm
1. Noun. A soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime.
Exact synonyms: Atomic Number 69, Thulium
Generic synonyms: Metal, Metallic Element
Substance meronyms: Apatite, Monazite, Xenotime
Generic synonyms: Metal, Metallic Element
Substance meronyms: Apatite, Monazite, Xenotime
Definition of Tm
1. Symbol. trademark ¹
2. Initialism. Their Majesties ¹
3. Initialism. Turing machine ¹
¹ Source: wiktionary.com
Medical Definition of Tm
1. Symbol for thulium; transport maximum or tubular maximum. Symbol for temperature midpoint (kelvin); melting point. (05 Mar 2000)