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nuclear-powered submarinenuclease
Nucleate
Nucleated
nucleic acid
Nucleiform
Nuclein
Nucleobranch
Nucleobranchiata
Nucleoidioplasma
NUCLEOL
Nucleolar
nucleolar organiser
nucleolar organizer
Nucleolated
Nucleole
-- Nucleolus --
nucleolus organiser
nucleolus organizer
nucleon
nucleon number
nucleonics
Nucleoplasm
Nucleoplasmic
nucleoprotein
nucleoside
nucleoside reverse transcriptase inhibitor
nucleosynthesis
nucleotide
Nucleus
nucleus niger
Nucula
Nucule
Nucleolus
Nu`cle´o`lus
| n. | 1. | A little nucleus. |
| 2. | (Biol.) A small rounded body contained in the nucleus of a cell or a protozoan. |
| Noun | 1. |  nucleolus - a small round body of protein in a cell nucleus; nucleoli contain RNA and are involved in protein synthesisSynonyms: nucleole |