ALL meanings of nuclei
nu·cle·i
N n - noun nuclei plural of nucleus. 1
- noun plural nuclei a central part about which other parts are grouped or gathered; core: A few faithful friends formed the nucleus of the club. 1
- noun plural nuclei Biology. a specialized, usually spherical mass of protoplasm encased in a double membrane, and found in most living eukaryotic cells, directing their growth, metabolism, and reproduction, and functioning in the transmission of genic characters. 1
- noun plural nuclei Physics. the positively charged mass within an atom, composed of neutrons and protons, and possessing most of the mass but occupying only a small fraction of the volume of the atom. 1
- noun plural nuclei Anatomy. a mass of nerve cells in the brain or spinal cord in which nerve fibers form connections. 1
- noun plural nuclei Also called condensation nucleus. Meteorology. a particle upon which condensation of water vapor occurs to form water drops or ice crystals. 1
- noun plural nuclei Chemistry. a fundamental arrangement of atoms, as the benzene ring, that may occur in many compounds by substitution of atoms without a change in structure. 1
- noun plural nuclei Astronomy. the condensed portion of the head of a comet. 1
- noun plural nuclei Phonetics. the central, most prominent segment in a syllable, consisting of a vowel, diphthong, or vowellike consonant, as the a- sound in cat or the l- sound in bottled; peak. the most prominent syllable in an utterance or stress group; tonic syllable. 1
- noun nuclei Plural form of nucleus. 1
- abbreviation NUCLEI nucleus 0