transcription, транскрипция: [ ˈnü-klē-əs, ˈnyü- ]
noun
( plural nu·clei -klē-ˌī ; also nu·cle·us·es )
Etymology: New Latin, from Latin, kernel, from nuc-, nux nut — more at nut
Date: 1704
1.
a. : the small bright body in the head of a comet
b. : the small brighter and denser portion of a galaxy
2. : a central point, group, or mass about which gathering, concentration, or accretion takes place: as
a. : a cellular organelle of eukaryotes that is essential to cell functions (as reproduction and protein synthesis), is composed of nucleoplasm and a nucleoprotein-rich network from which chromosomes and nucleoli arise, and is enclosed in a definite membrane — see cell illustration
b. : a mass of gray matter or group of cell bodies of neurons in the central nervous system
c. : a characteristic and stable complex of atoms or groups in a molecule ; especially : ring
the naphthalene nucleus
d. : the positively charged central portion of an atom that comprises nearly all of the atomic mass and that consists of protons and usually neutrons
3. : the peak of sonority in the utterance of a syllable
4. : a basic or essential part : core
players who are the nucleus of the team