You know what it looks like… but what is it called?
TAKE THE QUIZ“Eve's”
The following 2 entries include the term Eve's.
Eve's constant
noun: a measure of the intensity of radioactivity of a given substance consisting of the number of ions produced per second per cubic centimeter of ordinary air at a distance of one centimeter from one gram of the substance when in radioactive equilibrium
Eve's needle
noun: adam's needle
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Merriam-Webster unabridged
