We found one dictionary that defines the word welder's burn:

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1. welder's burn: Wiktionary

Definitions from Wiktionary (welder's burn) ▸ noun:  Synonym of photokeratitis ▸ Words similar to welder's burn ▸ Usage examples for welder's burn ▸ Idioms related to welder's burn ▸ Wikipedia articles (New!) ▸ Words that often appear near welder's burn ▸ Rhymes of welder's burn ▸ Invented words related to welder's burn