Wiktionary
thulian
a. (context mineralogy English) Describing minerals containing thulium
Usage examples of "thulian".
This has, however, left the town unpleasantly exposed to the vagaries of Thulian weather and leaves the settlement dangerously vulnerable to enemy artillery fire.
And I suppose it's possible they wouldn't need shelter or warmth to survive a Thulian winter.
An instant later, she stared up into the very last face she had expected to see coming toward her out of a Thulian blizzard.