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Meaning of breathable

breath•a•ble

Pronunciation: (brē'u-bul), [key]
— adj.
  1. able or fit to be breathed: filters to make the air more breathable.
  2. allowing the passage of air and moisture: a breathable fabric.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.