the volume of an incompressible fluid that will flow in unit time through a unit cube of a porous substance across which a unit pressure difference is maintained
[pur-mee-uh-buh l] /ˈpɜr mi ə bəl/ adjective 1. capable of being . /ˈpɜːmɪəbəl/ adjective 1. capable of being permeated, esp by liquids adj. early 15c., from Late Latin permeabilis “that can be passed through, passable,” from Latin permeare “to pass through, go over,” from per- “through” (see per) + meare “to pass,” from PIE root […]
[pur-mee-uh-mee-ter, pur-mee-am-i-ter] /ˈpɜr mi əˌmi tər, ˌpɜr miˈæm ɪ tər/ noun 1. an instrument for measuring .
[pur-mee-uh ns] /ˈpɜr mi əns/ noun 1. the act of permeating. 2. the conducting power of a magnetic circuit for magnetic flux; the reciprocal of magnetic reluctance. /ˈpɜːmɪəns/ noun 1. the act of permeating 2. the reciprocal of the reluctance of a magnetic circuit Λ
[pur-mee-eys, -eyz] /ˈpɜr miˌeɪs, -ˌeɪz/ noun, Biochemistry. 1. any of the proteins that mediate the transport of various molecules across biological membranes. permease per·me·ase (pûr’mē-ās’) n. An enzyme that promotes the passage of a substance across a cell membrane.