Crossword clue: a crystalline metallic element not found in nature; occurs as one of the fission products of uranium

The most common answer is technetium (10 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

technetium 10 letters wn-def

a crystalline metallic element not found in nature; occurs as one of the fission products of uranium