n.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

同義詞：Tmatomic number 69

Development of a thulium (Tm:YAP) laser system for brain tissue ablation
Li-Tm (Lithium-Thulium)
Modulated and continuous-wave operations of low-power thulium (Tm:YAP) laser in tissue welding
Spectrum of Double Ionized Thulium (Tm III)
Spectrum of Doubly Ionized Thulium (Tm III)
Ferrimagnetic Resonance in a Single Crystal of Thulium-Iron Garnet (Tm3Fe5O12)
Mg-Tm (magnesium-thulium)
Thulium(III) trifluoroacetates Tm(CF3COO)3 · 3H2O and Tm2(CF3COO)6 · 2CF3COOH · 3H2O: Synthesis and crystal structure
Hg-Tm (Mercury-Thulium)
Low-Power Skin Welding by Thulium (Tm:YAP) laser at 1980-nm