Synonym: defunctness, experimental extinction, extermination, extinguishing, quenching. Similar words: distinction, sanction, function, compunction, and function, functional, malfunction, dysfunction. Meaning: [-kʃn] 
n. 1. no longer in existence 2. no longer active; extinguished 3. the reduction of the intensity of radiation as a consequence of absorption and radiation 4. complete annihilation 5. a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus 6. the act of extinguishing; causing to stop burning.
n. 1. no longer in existence 2. no longer active; extinguished 3. the reduction of the intensity of radiation as a consequence of absorption and radiation 4. complete annihilation 5. a conditioning process in which the reinforcer is removed and a conditioned response becomes independent of the conditioned stimulus 6. the act of extinguishing; causing to stop burning. 
Random good picture Not show
31. We may live to see the extinction of the whale.
32. They have driven the rhino to the edge of extinction.
33. All water used by the fire - brigade for fire extinction purpose is supplied free by an act of Congress.
34. Some people predict the extinction of family life as we know it today.
35. Out of 329 parrot species, 30 now face extinction.
36. It was saved from total extinction by two developments.
37. The howlers were skirting the scary precipice of extinction.
38. The Scarlet Macaw is in imminent danger of extinction.
39. Some would say it is close to extinction.
40. Out of 329 parrot species, 30 face extinction.
41. The big cat has been hunted to near extinction.
41. Sentencedict.com is a online sentence dictionary, on which you can find excellent sentences for a large number of words.
42. They, too, are all being driven towards extinction.
43. Many are now threatened with extinction.
44. The inefficient and unprogressive were penalized by extinction.
45. It is unlikely to reach extinction.
46. This trade may be driving some species to extinction.
47. Greenpeace believes that whales are in danger of extinction.
48. This not withstanding, it is doubtful that pit culture is on the brink of extinction.
49. And in the 1960s, the breed was on the verge of extinction.
50. The latter is a recipe for chaos, anarchy and mutual extinction.
51. That era, however, was allegedly on the brink of extinction.
52. The bug obtains its energy by chemical means and may drive smelters to extinction.
53. But extinction is for ever and it doesn't do the world much good to save a seed for a year or two.
54. Large numbers of rare and beautiful Alpine plants are threatened with extinction.
55. When Lord Leverhulme abandoned Lewis, the crofting villages seemed doomed to a steady decline and eventual extinction.
56. Apparently, the last chance to avoid the extinction of a formerly widespread and prosperous species had been lost.
57. I saw then that we shall die, wish ourselves into extinction, unless we find a new course.
58. Epistandard rates of evolution are required to make up the loss through extinction.
59. In a purely ecological sense, this wave pattern describes a situation that might be called suspended extinction.
60. The belugas of the St Lawrence may now number only 400, and this local population is almost certainly doomed to extinction.
More similar words: distinction, sanction, function, compunction, and function, functional, malfunction, dysfunction, distinctive, action, auction, section, fiction, reduction, election, fraction, reaction, infection, selection, objection, direction, prediction, collection, inspection, conviction, reflection, production, attraction, dictionary, connection.