semipermeable
[ sem-ee-pur-mee-uh-buhl, sem-ahy- ]
/ ˌsɛm iˈpɜr mi ə bəl, ˌsɛm aɪ- /
Save This Word!
adjective
permeable only to certain small molecules: a semipermeable membrane.
QUIZZES
QUIZ YOURSELF ON “ITS” VS. “IT’S”!
Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
OTHER WORDS FROM semipermeable
sem·i·per·me·a·bil·i·ty, nounDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for semipermeable
British Dictionary definitions for semipermeable
semipermeable
/ (ˌsɛmɪˈpɜːmɪəbəl) /
adjective
(esp of a cell membrane) selectively permeable
Derived forms of semipermeable
semipermeability, nounCollins 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 semipermeable
semipermeable
[ sĕm′ē-pûr′mē-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.