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apostilb

[ ap-uh-stilb ]
/ ˈæp əˌstɪlb /
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noun Optics.

a unit of luminance equal to one ten thousandth of a lambert.

QUIZZES

QUIZ YOURSELF ON AFFECT VS. EFFECT!

In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.

Origin of apostilb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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