Synonym: core, focus, heart, hub, kernel, middle. Similar words: nuclear, nuclear energy, be used to, knuckles, make use of, reusable, be useful to, cornucopia. Meaning: ['nuːklɪəs /'nju-] 
n. 1. a part of the cell containing DNA and RNA and responsible for growth and reproduction 2. the positively charged dense center of an atom 3. a small group of indispensable persons or things 4. (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 5. any histologically identifiable mass of neural cell bodies in the brain or spinal cord.
n. 1. a part of the cell containing DNA and RNA and responsible for growth and reproduction 2. the positively charged dense center of an atom 3. a small group of indispensable persons or things 4. (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 5. any histologically identifiable mass of neural cell bodies in the brain or spinal cord. 
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31. In fact, little of the gas driven inward need ultimately fall into the nucleus of the Galaxy.
32. The sperm carries just a nucleus cargo, a mitochondrial engine, and a flagellum propeller.
33. Was the nucleus, the heart of the disease, housed within the great church?
34. Calluses grow on the ball of the foot and do not have a nucleus.
35. He saw that if an electron could occupy any orbit round a nucleus then a spiralling collapse was inevitable.
36. Quarks bind together to make up larger particles such as the protons and neutrons found in the atomic nucleus.
37. The question is what will happen to the red blood cell nucleus if it is placed in cancer cell cytoplasm?
38. We may visualise them as wavelengths and orbits about a nucleus - with some similarity to a miniature solar system.
39. The positive charge of the protons generates an electrostatic field, which binds the negative electrons of the atom to the nucleus.
40. Note that the zygote-the one-celled nucleus-at no stage contains a single nucleus.
41. Once this nucleus of states demonstrated that the surveillance mechanism was practical and usable[sentencedict.com], a gradual expansion into other states occurred.
42. By distorting them, supernova explosions may lead to the shredding of otherwise stable clouds by the tidal field of the nucleus.
43. This, under the control of the inference engine, forms the system nucleus.
44. A detailed analysis showed that the jets came from eight small, fixed areas on the surface of the comet's nucleus.
45. In common with other modern cloning scientists we do not first remove the nucleus from its own cytoplasm before transferring it.
46. Certainly the lateral geniculate nucleus in rats looks nothing like the lateral geniculate nucleus in monkeys.
47. Such inhibitors also prevent the increase in calmodulin within the nucleus of liver cells following hepatectomy.
48. Outside the nucleus, parts of the cytoplasmic skeleton form themselves into two conical structures,[www.Sentencedict.com] like the frames of two wigwams.
49. The nucleus of each village was for the most part made up of the Frelimo guerillas who had fought in the liberation struggle.
50. Instead, both position and velocity would have to be smeared out with some probability distribution around the nucleus.
51. Meadow Mill now forms the nucleus of a small trading estate.
52. Even the propeller and engine are jettisoned when the sperm meets the egg; only the nucleus travels farther.
53. The central nucleus of all these penicillins was the same, but the exact structure was established only after much controversy.
54. In this context, a neutron star is effectively a single atomic nucleus.
55. There is no diploid nucleus, with a complete complement of chromosomes, until we reach the two-cell stage.
56. The guest house for the abbey became the nucleus of a royal residence.
57. Within the nucleus An atomic nucleus is very small; less than 10 -15 metres in diameter.
58. We also have a nucleus of prints by William Klein, donated by Virginia Zabriskie.
59. They match the four pairs of chromosomes, dense bodies in the cell nucleus.
60. Some rocks can also be dated by the microscopic tracks of decay particles ejected from the radioactive nucleus.
More similar words: nuclear, nuclear energy, be used to, knuckles, make use of, reusable, be useful to, cornucopia, ileum, pile up, sleuth, bundle up, linoleum, gobble up, double up, petroleum, clear, cycle, clerk, uncle, clean, clever, circle, cleave, muscle, oracle, clergy, unclear, debacle, clear up.