Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Passing or occurring across a membrane.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective biology traversing a cellular membrane
  • adjective of or pertaining to a transmembrane protein or segment
  • noun cytology a transmembrane protein, or the transmembrane portion of a protein

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

trans- + membrane

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