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单词 porous
释义

WordReference Random House Learner's Dictionary of American English © 2024
po•rous /ˈpɔrəs/USA pronunciation   adj. 
  1. Physicsallowing water, air, etc., to pass through.
  2. Botanyfull of pores.
po•ros•i•ty /pɔˈrɑsɪti/USA pronunciation  n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2024
po•rous  (pôr′əs, pōr′-),USA pronunciation adj. 
  1. Botanyfull of pores.
  2. Physicspermeable by water, air, etc.
  • Medieval Latin porōsus. See pore2, -ous
  • Middle English, variant of porose 1350–1400
po′rous•ly, adv. 
po′rous•ness, n. 
    • 2.See corresponding entry in Unabridged penetrable, pervious, sievelike, riddled.

Collins Concise English Dictionary © HarperCollins Publishers::
porous /ˈpɔːrəs/ adj
  1. permeable to water, air, or other fluids
  2. having pores; poriferous
  3. easy to cross or penetrate: the porous border into Thailand, the most porous defence in the league
Etymology: 14th Century: from Medieval Latin porōsus, from Late Latin porus pore²

ˈporously adv ˈporousness n
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更新时间：2025/2/23 8:06:49