perviousness

Noun
Synonyms: penetrability

Open English WordNet

Noun (1)

  1. the quality of being penetrable (by people or light or missiles etc.)Synonyms: penetrabilityOpposite imperviousnessType of quality
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haphazardadjective

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Webster's Dictionary (1913)

Per′vi·ous·ness noun

The quality or state of being pervious; as, the perviousness of glass. Robert Boyle

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54

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