from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The state or property of being porous.
- n. A structure or part that is porous.
- n. The ratio of the volume of all the pores in a material to the volume of the whole.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The state of being porous
- n. A measure of how porous a material is; the ratio of the volume of pores to the total volume
from the GNU version of the Collaborative International Dictionary of English
- n. The quality or state of being porous; -- opposed to density.
from The Century Dictionary and Cyclopedia
- n. The state or quality of being porose, porous, or pervious; perforation.
- n. A pore or perforation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the property of being porous; being able to absorb fluids
Middle English porosite, from Old French, from Medieval Latin porōsitās, from porōsus, porous; see porous.(American Heritage® Dictionary of the English Language, Fourth Edition)