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Monday, October 20th, 2025
the Week of Proper 24 / Ordinary 29
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Bible Dictionaries
Amma Rays

Webster's Dictionary

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Very penetrating rays not appreciably deflected by a magnetic or electric field, emitted by radioactive substances. The prevailing view is that they are non-periodic ether pulses differing from Rontgen rays only in being more penetrating.

Bibliography Information
Webster, Noah. Entry for 'Amma Rays'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​a/amma-rays.html. 1828.
 
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