nuclei

enUK

nu·cle·i

N0186700 (no͞o′klē-ī′, nyo͞o′-)n. A plural of nucleus.

nuclei

(ˈnjuːklɪˌaɪ) n a plural of nucleus

nu•cle•us

(ˈnu kli əs, ˈnyu-)

n., pl. -cle•i (-kliˌaɪ)
-cle•us•es. 1. a central part about which other parts are grouped or gathered; core. 2. a specialized, usu. spherical mass of protoplasm encased in a double membrane and found in eukaryotic cells, directing their growth, metabolism, and reproduction, and containing most of the genetic material. 3. 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. 4. a mass of nerve cells in the brain or spinal cord in which nerve fibers form connections. 5. a fundamental arrangement of atoms, as the benzene ring, that may occur in many compounds by substitution of atoms without a change in structure. 6. the condensed portion of the head of a comet. 7. a. the central, most prominent segment in a syllable, consisting of a vowel or vowellike consonant, as the a-sound in cat or the l-sound in bottle. b. the most prominent syllable in an utterance or stress group; tonic syllable. [1695–1705; < Latin nuc(u)leus kernel =nuc- (s. of nux) nut + -uleus diminutive suffix]

Translations

单词	nuclei
释义	nuclei enUK nu·cle·i N0186700 (no͞o′klē-ī′, nyo͞o′-)n. A plural of nucleus. nuclei (ˈnjuːklɪˌaɪ) n a plural of nucleus nu•cle•us (ˈnu kli əs, ˈnyu-) n., pl. -cle•i (-kliˌaɪ) -cle•us•es. 1. a central part about which other parts are grouped or gathered; core. 2. a specialized, usu. spherical mass of protoplasm encased in a double membrane and found in eukaryotic cells, directing their growth, metabolism, and reproduction, and containing most of the genetic material. 3. 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. 4. a mass of nerve cells in the brain or spinal cord in which nerve fibers form connections. 5. a fundamental arrangement of atoms, as the benzene ring, that may occur in many compounds by substitution of atoms without a change in structure. 6. the condensed portion of the head of a comet. 7. a. the central, most prominent segment in a syllable, consisting of a vowel or vowellike consonant, as the a-sound in cat or the l-sound in bottle. b. the most prominent syllable in an utterance or stress group; tonic syllable. [1695–1705; < Latin nuc(u)leus kernel =nuc- (s. of nux) nut + -uleus diminutive suffix] Translations EncyclopediaSeenucleus nuclei enUK nuclei [noo´kle-i] (L.) plural of nucleus. nu·cle·i (nū'klē-ī), Plural of nucleus. nuclei (no͞o′klē-ī′, nyo͞o′-)n. A plural of nucleus. nu·cle·i (nū'klē-ī) Plural of nucleus.
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