1. North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean.
4. A collection of objects laid on top of each other.
8. Rare (usually fatal) brain disease (usually in middle age) caused by an unidentified slow virus.
11. An angular shape characterized by sharp turns in alternating directions.
12. Type genus of the Majidae.
13. (in golf) The standard number of strokes set for each hole on a golf course, or for the entire course.
14. The cry made by sheep.
15. A mouth or mouthlike opening.
16. An Indian tree of the family Combretaceae that is a source of timber and gum.
18. A silvery ductile metallic element found primarily in bauxite.
20. Tropical starchy tuberous root.
22. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
23. Cubes of meat marinated and cooked on a skewer usually with vegetables.
26. Common Indian weaverbird.
28. According to the Old Testament he was a pagan king of Israel and husband of Jezebel (9th century BC).
30. The Tibeto-Burman language spoken in the Dali region of Yunnan.
33. A graphical recording of the cardiac cycle produced by an electrocardiograph.
34. The longer of the two telegraphic signals used in Morse code.
37. A white metallic element that burns with a brilliant light.
39. The sense organ for hearing and equilibrium.
41. A small cake leavened with yeast.
47. A loose sleeveless outer garment made from aba cloth.
49. King of Saudi Arabia since 1982 (born in 1922).
51. A serve that strikes the net before falling into the receiver's court.
52. Characterized by lightness and insubstantiality.
54. A plant hormone promoting elongation of stems and roots.
55. An agency of the United Nations affiliated with the World Bank.
56. Someone who works (or provides workers) during a strike.
57. Either of two folds of skin that can be moved to cover or open the eye.

1. A member of a Turkic people of Uzbekistan and neighboring areas.
2. A river that rises in central Germany and flows north to join the Elbe River.
3. Title for a civil or military leader (especially in Turkey).
4. Group insurance that entitles members to services of participating hospitals and clinics and physicians.
5. Freedom from difficulty or hardship or effort.
6. The branch of computer science that deal with writing computer programs that can solve problems creatively.
7. A genus of Ploceidae.
8. An accountant certified by the state.
9. An island in Indonesia south of Borneo.
10. The phenomenon of resistance to motion through a fluid.
17. Grass mowed and cured for use as fodder.
19. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
21. A logarithmic unit of sound intensity.
24. A flexible container with a single opening.
25. Having undesirable or negative qualities.
27. The blood group whose red cells carry both the A and B antigens.
29. A soft silvery metallic element of the alkali earth group.
31. A radioactive element of the actinide series.
32. A state in midwestern United States.
35. Old World woody vines.
36. A nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens.
38. An official prosecutor for a judicial district.
40. A public promotion of some product or service.
42. In bed.
43. A Chadic language spoken south of Lake Chad.
44. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
45. Of or relating to or characteristic of Thailand of its people.
46. (Babylonian) God of storms and wind.
48. An associate degree in applied science.
49. A toxic nonmetallic element related to sulfur and tellurium.
50. Aromatic bulb used as seasoning.
51. A state in the eastern United States.
53. A soft silvery metallic element.