transmembrane
adjective
trans·mem·brane
(ˌ)tran(t)s-ˈmem-ˌbrān 
(ˌ)tranz-
: taking place or existing across a membrane
a transmembrane protein
Examples of transmembrane in a Sentence
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That certainly is the case with channels found in transmembrane proteins, which manage to allow the passage of ions or molecules but block larger objects.
—
IEEE Spectrum, 17 Dec. 2010
In the late 1990s, some scientists hypothesized that the former food vacuole was still likely to carry a transmembrane channel protein called a proton pump.
—Kevin Hartnett, Quanta Magazine, 6 July 2023
The soluble form is produced when the gene is spliced to remove the transmembrane portion (Figure 2).
—William A. Haseltine, Forbes, 20 Feb. 2023
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IEEE Spectrum, 17 Dec. 2010
In the late 1990s, some scientists hypothesized that the former food vacuole was still likely to carry a transmembrane channel protein called a proton pump.
—Kevin Hartnett, Quanta Magazine, 6 July 2023
The soluble form is produced when the gene is spliced to remove the transmembrane portion (Figure 2).
—William A. Haseltine, Forbes, 20 Feb. 2023
Cite this Entry
“Transmembrane.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/transmembrane. Accessed 19 Jul. 2025.
Copy CitationMedical Definition
transmembrane
adjective
trans·mem·brane
(ˈ)tran(t)s-ˈmem-ˌbrān, (ˈ)tranz-
: taking place, existing, or arranged from one side to the other of a membrane
a transmembrane potential
transmembrane proteins
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