Definition of membrane
1 : a thin soft pliable sheet or layer especially of animal or plant origin
2 : a piece of parchment forming part of a roll
membranedplay \ˈmem-ˌbrānd\ adjective
Recent Examples of membrane from the Web
With any rack, remove the membrane on the underside of the ribs, next to the bone.
Using a dull dinner knife, slide the tip under the membrane covering the back of each rack of ribs.
The membranes are pumped with fluid like a balloon being inflated, and finally surrounded by a shell.
A 1999 study found that piracetam had beneficial effects on the hippocampal membranes of patients with Alzheimer’s disease.
Rabies virus can be transmitted when an infected bat bites or scratches a person (or pet), or comes into contact with mucous membranes in a person’s eyes or mouth, according to state health officials.
Slice top from peppers and carefully remove membrane and seeds.
There are none of the latter on the island, which has been sealed off from history and the rest of the world by a magic membrane.
But the scientists found that endosomal NK1 can be turned off by inhibitors attached to lipids called cholestanols that cross the cell membrane to reach the endosomes.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'membrane'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of membrane
Middle English, from Latin membrana skin, parchment, from membrum
First Known Use: 15th centurySee Words from the same year
MEMBRANE Defined for English Language Learners
Definition of membrane for English Language Learners
: a thin sheet or layer; especially : a thin sheet or layer of tissue that is part of a plant or an animal's body
MEMBRANE Defined for Kids
Definition of membrane for Students
: a thin soft flexible layer especially of animal or plant tissue mucous membranes
Seen and Heard
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