Spelling Bee Hive found 1 result for melatonin. This page contains the same results as searching for that word in the app.
melatonin - noun; Level 3; origin: English; pronunciation: ¦melə¦tōnə̇n. a vertebrate hormone derived from serotonin, secreted by the pineal gland especially in darkness, and linked to circadian rhythm regulation.
melatonin is in Level 3, Set 29 of the Spelling Bee Hive practice sets.
Where melatonin appears: 1 competition on record.
Scripps National Spelling Bee: asked 1 time in 2008 - Round 2 (2008).
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