1. stone (of a fruit); pit; pip
2. core (of an organization, team, etc.); nucleus; heart
3. nuclear weaponsSee also 核兵器
- No country under the sun is safe in this nuclear age.
4. nucleus (of an atom)Physics, See also 原子核
5. nucleus (of a cell)Biology, See also 細胞核
6. condensation nucleusMeteorology, See also 凝結核
7. (planetary) coreAstronomy
8. ring (in a cyclic compound)Chemistry
9. kernel; coreMathematics
10. nucleus (of a cultured pearl)
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