DICTIONARY ENTRY
3 SYLLABLES
thulium
/'θuliəm/ · θuliəm
Thulium has 3 syllables: thu · li · um.
thu
01
li
02
um
03
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.
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