thulium (n)
Tm (n)
atomic number 69 (n)

n14658546

type n
lex_filenum 27
def a soft silvery metallic element of the rare earth group
def isotope 170 emits X-rays and is used in small portable X-ray machines
def it occurs in monazite and apatite and xenotime
Outgoing links
Hypernym metallic element, metal
Substance holonym apatite; monazite; xenotime
Incoming links
Hyponym metallic element, metal
Substance meronym apatite; monazite; xenotime

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