| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024po•ros•i•ty (pô ros′i tē, pō-, pə-),USA pronunciation n., pl. -ties for 2.- the state or quality of being porous.
- Geologythe ratio, expressed as a percentage, of the volume of the pores or interstices of a substance, as a rock or rock stratum, to the total volume of the mass.
- Medieval Latin porōsitās. See porous, -ity
- Middle English porosytee 1350–1400
Collins Concise English Dictionary © HarperCollins Publishers:: porosity /pɔːˈrɒsɪtɪ/ n ( pl -ties)- the state or condition of being porous
- the ratio of the volume of space to the total volume of a rock
Etymology: 14th Century: from Medieval Latin porōsitās, from Late Latin porus pore² po•rous /ˈpɔrəs/USA pronunciation adj. - Physicsallowing water, air, etc., to pass through.
- Botanyfull of pores.
po•ros•i•ty /pɔˈrɑsɪti/USA pronunciation n. [uncountable] WordReference Random House Unabridged Dictionary of American English © 2024po•rous (pôr′əs, pōr′-),USA pronunciation adj. - Botanyfull of pores.
- Physicspermeable by water, air, etc.
- Medieval Latin porōsus. See pore2, -ous
- Middle English, variant of porose 1350–1400
- 2.See corresponding entry in Unabridged penetrable, pervious, sievelike, riddled.
|