nucleolus
noun
Simple meaning
A small round body of protein in a cell nucleus.
Pronunciation
Say it like this:
nookleeohluhsSay the bold part a little louder.
IPA pronunciation (US)
ˈnuklioʊləs
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
cytology
A small round body of protein in a cell nucleus; such organelles contain RNA and are involved in protein synthesis
cytology
A conspicuous, rounded body within the nucleus of a cell.
Word at a Glance
- Difficulty
- C2 · Proficient (estimated)
Share your sentence
Common Patterns and Combinations
How this word naturally appears with others.
Word Family
Related forms, grouped by how they connect.
Compound terms
Established multiword terms.
The particular part of a chromosome that is associated with a nucleolus after nuclear division.
The particular part of a chromosome that is associated with a nucleolus after nuclear division.
Related Words
Connected to the same idea, not synonyms.
- cellularadjective
- cellnoun
- chromosomenoun
- rnanoun
Ask Vocabaura
Understand the word your way.
What Does It Mean Here?
Words can change meaning depending on context.
Use it yourself
Keep learning “nucleolus” by choosing the kind of practice you need next.
- Practice sentence writingWrite sentences with vocabulary and get instant feedback.
- Practice in contextAnswer short vocabulary questions drawn from real situations.
- Review vocabularyTest your recall and strengthen words over time.
- Practice typingType vocabulary in short rounds that draw from words you've learned and saved.
Want to type words like this one without looking at the keyboard? Each typing round draws from words you've learned, saved or need to review. Follow the free Learn to Type lessons and type your own vocabulary with confidence.
Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.