Definition of THULIUM

thulium

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
  • A metallic chemical element (symbol Tm) with atomic number 69: a fairly soft, easily workable metal with a bright silvery-gray lustre.

Origin / Etymology

From Thule (a poetic name for Scandinavia) + -ium.

Synonyms

atomic number 69, Tm

Scrabble Score: 12

thulium is a valid Scrabble (US) TWL word
thulium is a valid Scrabble Word in Merriam-Webster MW Dictionary
thulium is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 15

thulium is a valid Words With Friends word