1. Have already done
4. Universal Standard Time
7. Indics
12. A city in the European part of Soviet Russia
13. One and only
14. About bee
15. Denounces
17. Many wombs
18. Express pleasure
19. The bill in a restaurant
21. Disappear beyond the horizon
22. Intercontinental ballistic missile
24. Prefix denoting "in a"
25. James __, American steam engineer
26. Dekalitre
27. A salt or ester of hydriodic acid
29. Improves
31. Secretion
35. Vertexes
37. Radioactivity unit
38. Trailing grass native to Europe
41. The longest division of geological time
42. __ Carvey, "Church Lady" comedian
43. S American wood sorrel
44. Soviet Socialist Republic (abbrev.)
45. All of the inhabitants of the earth
46. National capital
48. Endurance
52. Glyceryl ester
53. Auricle
54. Assistance
55. _____ Claus
56. Extensively cultivated in e.g. China and Japan and India
57. Peacock network
2. Nigerian City
3. OK to assign a date to
4. American state
5. Timid
6. Screened for
7. Coat with plaster
8. Mentally quick and resourceful
9. Eastern German city
10. Defied
11. Annoyances
16. The most common computer memory
22. Potato state, abbr.
23. Shaped rotating disk to convert circular into linear motion
24. Corsages
25. Fatty-fleshed fish that migrates between salt and fresh water
27. Integrated data processing
28. Hyrax
30. Catch
32. A citizen of Iran
33. Passenger truck
34. Government computer language
38. Extinct birds
39. Central Florida city
40. Made of wood
42. Obstruct
44. Soluble ribonucleic acid
45. Harelike rodent of the pampas of Argentina
47. Small island (British)
49. Arctic explorers, abbr.
50. Horny projecting jaws of a bird
51. Aide de Camp