Meaning & use

the plural of nucleus

phrase·Academic

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UK/ðə ˈplʊərəl əv ˈnjuːkliəs/
US/ðə ˈplʊrəl əv ˈnuːkliəs/

Meaning

  1. phrasefixed phrase

    The plural form of the noun nucleus, meaning more than one nucleus.

    Grammar: Used when asking or stating how to make the word nucleus plural.

    Patterns

    • the plural of nucleus is nuclei
    • what is the plural of nucleus?

    The plural of nucleus is nuclei, not nucleuses.

    In biology class we learned that the plural of nucleus is nuclei.

    She asked the teacher what the plural of nucleus was, and he said nuclei.

Common combinations

nuclei in a cell
Under the microscope we could see two nuclei in a single cell.
atomic nuclei
Atomic nuclei contain protons and neutrons.
the plural form
Write the plural form of each noun on the line.

Word family

nucleus noun
The singular form: the central part of an atom or cell.
nuclear adjective
Relating to the nucleus of an atom, as in nuclear energy.

Commonly confused: the plural of nucleus or nucleuses?

the plural of nucleus vs nucleuses

Some learners add -es, but the standard plural is nuclei; nucleuses is rare and not accepted in science writing.

Practice

Which sentence uses the correct plural of nucleus?

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