出典:Wiktionary
出典:『Wiktionary』 (2026/02/14 17:26 UTC 版)
porosity (countable and uncountable, plural porosities)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/25 11:51 UTC 版)
Porosity or void fraction is a measure of the void spaces in a material, and is a fraction of the volume of voids over the total volume, between 0–1, or as a percentage between 0–100%. The term is used in multiple fields including pharmaceutics, ceramics, metallurgy, materials, manufacturing, earth sciences and construction.
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