ядро

noun

1. seed, stone (of a fruit)
2. cannonball, round shot
3. nucleus (a vowel or syllabic consonant in a syllable)
4. nucleus (an organelle which contains genetic material)
5. nucleus (cluster of nucleons)
6. nucleus (cluster of neurons)
7. core (of a planet, star, or galaxy)
8. nucleus (of a comet)
9. core (of a processor)
10. kernel (of an operating system)
11. cone (of a flame)
12. shot (heavy iron ball)
13. core members, activists (in a group)
14. core (set of allocations that cannot be improved)
15. nullspace, kernel (set of all elements mapped to the zero element by a transformation)
16. kernel (a function used to define an integral transform)
17. duramen, heartwood (the hard older inner layers of the wood of a tree)