nonthorium
adjEtymology From non- + thorium.
1
Not of or pertaining to thorium.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
adj
Etymology From non- + thorium.
Not of or pertaining to thorium.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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