semipermeable /semi·per·me·a·ble/ (sem″e-per´me-ah-b'l) permitting passage only of certain molecules.
semipermeable
semipermeable [sem″e-per´me-ah-bl]
semipermeable (sem´ēpur´mē
bl),
sem·i·per·me·a·ble (s m  -pûr m- -bl, sm -)adj. 1. Partially permeable. 2. Allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. Used of biological and synthetic membranes. |
semipermeable
[-pur′mē·əbəl]
Etymology: L, semi, half, permeare, to pass through
pertaining to a membrane that allows the passage of some molecules but prevents the passage of others. Also selectively permeable.
semipermeable [sem″e-per´me-ah-bl]
permitting passage only of certain molecules.
semipermeable (sem´ēpur´mē
bl),adj permitting the passage of certain molecules and hindering that of others.
semipermeable
permitting passage only of certain molecules; said of a membrane.
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