semipermeable

[ sem-ee-pur-mee-uh-buh l, sem-ahy- ]
/ ˌsɛm iˈpɜr mi ə bəl, ˌsɛm aɪ- /

adjective

permeable only to certain small molecules: a semipermeable membrane.

QUIZZES

DO YOU KNOW THIS VOCABULARY FROM "THE HANDMAID'S TALE"?

"The Handmaid's Tale" was required reading for many of us in school. Everyone else has probably watched the very popular and addictive TV show. Do you remember this vocabulary from the book, and do you know what these terms mean?
Question 1 of 10
decorum

Origin of semipermeable

First recorded in 1895–1900; semi- + permeable

OTHER WORDS FROM semipermeable

sem·i·per·me·a·bil·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for semi-permeable

  • The term "osmotic membrane" should therefore in all cases replace that of "semi-permeable membrane."

    The Mechanism of Life|Stphane Leduc

British Dictionary definitions for semi-permeable

semipermeable
/ (ˌsɛmɪˈpɜːmɪəbəl) /

adjective

(esp of a cell membrane) selectively permeable

Derived forms of semipermeable

semipermeability, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for semi-permeable

semipermeable
[ sĕm′ē-pûrmē-ə-bəl, sĕm′ī- ]

adj.

Partially permeable.
Allowing passage of certain, especially small, molecules or ions but acting as a barrier to others. Used of biological and synthetic membranes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.