Spelling Bee Hive found 1 result for thimerosal. This page contains the same results as searching for that word in the app.
thimerosal - noun; Level 7; origin: International Scientific Vocabulary; pronunciation: thīˈmər-əˌsal, -ˈmer-. a cream-colored crystalline mercury compound used as an antiseptic and as a biological preservative.
thimerosal is in Level 7, Set 01 of the Spelling Bee Hive practice sets.
Where thimerosal appears: 2 competitions and 1 study list on record.
Arkansas State Spelling Bee: asked 1 time in 2026 - Round 9 (2026).
Scripps National Spelling Bee: asked 1 time in 2024 - Round 1 (2024).
Words of the Champions: listed 4 times in 2023–2026.
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