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nuclear membrane

American

[noo-klee-er mem-breyn, nyoo-] / ˈnu kli ər ˈmɛm breɪn, ˈnyu- /

noun

Biology.

the double membrane surrounding the nucleus within a cell.

nuclear membrane Scientific

See nuclear envelope

Pronunciation

See nuclear ( def. ).

Etymology

Origin of nuclear membrane

First recorded in 1885–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

This behavior suggests a possible evolutionary connection between Mamonoviridae family viruses that use the intact nucleus as a viral factory and giant viruses such as pandoravirus that disrupt the nuclear membrane.

From Science Daily • Feb. 19, 2026

In contrast, ushikuvirus breaks down the nuclear membrane during replication to produce new viral particles.

From Science Daily • Feb. 19, 2026

The nuclear membrane is continuous with the endoplasmic reticulum.

From Textbooks • Jun. 9, 2022

Is the nuclear membrane part of the endomembrane system?

From Textbooks • Jun. 9, 2022

The nuclear membrane then disappears and fibrillar cell-plasma or cytoplasm invades the nuclear area.

From Darwin and Modern Science by Seward, A. C. (Albert Charles)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023