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nucleus SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 108321 】 【意味】 "[名詞] the positively charged dense center of an atom [例] The nucleus is the center of the atom. [例] The nucleus of an atom is a dense sphere of positively charged protons and neutrons. [例] The nucleus of the atom is where the protons and neutrons are located. [意味] 核, 原子核, 中心部, 中核, 中枢, 中心, 中央, 中心核 ; [上位語] center, centre, midpoint ; [同義語群] 09375085-n [名詞] a part of the cell containing DNA and RNA and responsible for growth and reproduction [例] The nucleus of the cell is where the DNA is stored. [意味] 核, 細胞核 ; [同義語] cell nucleus, karyon ; [上位語] cell organ, organelle, cell organelle ; [下位語] pronucleus, subthalamic nucleus ; [派生] nucleate ; [同義語群] 05434927-n [名詞] a small group of indispensable persons or things [例] five periodicals make up the core of their publishing program [例] The nucleus of the team is the captain. [例] The nucleus of the army was a few hundred men. [例] They are the nucleus of the resistance. [意味] 核, 中核, 中枢, 仲核, 中軸, コア, 中心, 軸 ; [同義語] core, core group ; [上位語] set ; [下位語] cadre ; [同義語群] 08242223-n [名詞] (astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail [例] The nucleus of the comet is made of ice and dust. [例] The nucleus of the comet is a dirty snowball. [例] It is the nucleus of the comet that is visible. [意味] 核, 彗星核, 中核, 中心, 中心部, 中枢, 中央, 中心核 ; [上位語] center, centre, midpoint ; [同義語群] 09375223-n [名詞] the central structure of the lens that is surrounded by the cortex ; [同義語] lens nucleus ; [上位語] body structure, bodily structure, anatomical structure, complex body part, structure ; [同義語群] 05320764-n" [名詞] any histologically identifiable mass of neural cell bodies in the brain or spinal cord [例] The nucleus of the cell is located in the center of the cell. ; [上位語] neural structure ; [下位語] dentate nucleus ; [同義語群] 05501932-n