Superpurity

purity

[pyoor-i-tee]
noun
1.
the condition or quality of being pure; freedom from anything that debases, contaminates, pollutes, etc.: the purity of drinking water.
2.
freedom from any admixture or modifying addition.
3.
ceremonial or ritual cleanness.
4.
freedom from guilt or evil; innocence.
5.
physical chastity; virginity.
6.
freedom from foreign or inappropriate elements; careful correctness: purity of expression.
7.
Optics. the chroma, saturation, or degree of freedom from white of a given color.
8.
cleanness or spotlessness, as of garments.

Origin:
1175–1225; < Late Latin pūritās (see pure, -ity); replacing Middle English pur(e)te < Anglo-French < Late Latin, as above

hyperpurity, noun
superpurity, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
purity (ˈpjʊərɪtɪ)
 
n
1.  the state or quality of being pure
2.  physics a measure of the amount of a single-frequency colour in a mixture of spectral and achromatic colours

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

purity
early 13c., from O.Fr. purete, earlier purte (12c.), from L.L. puritatem (nom. puritas) "cleanness, pureness," from L. purus (see pure).
Online Etymology Dictionary, © 2010 Douglas Harper
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