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viosterol

[ vahy-os-tuh-rawl, -rol ]
/ vaɪˈɒs təˌrɔl, -ˌrɒl /

noun Biochemistry.

a vitamin D preparation produced by the irradiation of ergosterol.

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You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
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Origin of viosterol

(ultra)vi(olet) + (erg)osterol

Words nearby viosterol

Viollet-le-Duc, violoncellist, violoncello, violone, viomycin, viosterol, Viotti, Vioxx, VIP, viper, viperfish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020