membrane
Pronunciation: [mɛmˌbreɪn]
Word
Context: "biology"
(noun) a thin layer that surrounds or covers something. In living things, membranes protect cells and help control what goes in and out of them.
Example
The cell membrane keeps all the important stuff inside the cell safe.
Example
Without a membrane, the cell would lose all its important parts.
Example
What functions does the cell membrane perform?
Context: "material science"
(noun) a layer made of material that separates two areas and can control what passes through. It can be used in things like filters or barriers.
Example
The new filter uses a special membrane to keep dirt out of the water.
Example
This barrier has holes, so it does not work like a proper membrane.
Example
How does the membrane in this filter work?
Context: "anatomy"
(noun) a covering that can be found inside the body, like around organs. It helps protect and support those organs.
Example
The membranes around the organs help keep everything in place.
Example
If the membrane around the heart gets damaged, it can cause serious problems.
Example
How many membranes are there around the organs in the body?
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