CET4 TEM8 IELTS GRE 考 研 TOEFL CET6
1. nuc- + -le- (diminutive affix) + -us (Latin suffix).
2. literally "little nut".
3. => kernel of a nut.
- nucleus: see nut
- nucleus (n.)
- 1704, "kernel of a nut," 1708, "head of a comet," from Latin nucleus "kernel," from nucula "little nut," diminutive of nux (genitive nucis) "nut," from PIE *kneu- "nut" (cognates: Middle Irish cnu, Welsh cneuen, Middle Breton knoen "nut," Old Norse hnot, Old English hnutu "nut"). General sense of "central part or thing, about which others cluster" is from 1762. Use in reference to cells first recorded 1831. Modern atomic meaning is 1912, first by Ernest Rutherford, though theoretical use for "central point of an atom" is from 1844, in Faraday.
- 1. The repulsive force within the nucleus is enormous.
- 2. the nucleus of a cell
- 3. These paintings will form the nucleus of a new collection.
- 4. These young people formed the nucleus of the club.
- 5. The nucleus of an atom consists of neutrons, protons and other particles.
- 原子核由中子 、 质子和其他粒子构成.
[ nucleus 造句 ]