1. A small island.
5. The smallest multiple that is exactly divisible by every member of a set of numbers.
8. A condition (mostly in boys) characterized by behavioral and learning disorders.
11. Type genus of the Aceraceae.
12. 30 to 300 gigahertz.
13. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
14. The sense organ for hearing and equilibrium.
17. A public promotion of some product or service.
19. A state in northwestern North America.
20. Before noon.
21. A river in north central Switzerland that runs northeast into the Rhine.
24. Title for a civil or military leader (especially in Turkey).
26. The Tibeto-Burman language spoken in the Dali region of Yunnan.
28. Someone who works (or provides workers) during a strike.
31. An informal term for a father.
33. Lower in esteem.
37. The blood group whose red cells carry both the A and B antigens.
39. A highly unstable radioactive element (the heaviest of the halogen series).
40. (Akkadian) God of wisdom.
41. A metric unit of volume or capacity equal to 100 liters.
42. Cubes of meat marinated and cooked on a skewer usually with vegetables.
47. United States playwright who collaborated with George S. Kaufman (1904-1961).
49. (of light) Lacking in intensity or brightness.
50. (Old Testament) In Judeo-Christian mythology.
51. A metric unit of volume or capacity equal to 10 liters.
52. A doctor's degree in theology.

1. The United Nations agency concerned with atomic energy.
2. Any of a number of fishes of the family Carangidae.
3. (Irish) The sea personified.
4. A trivalent metallic element of the rare earth group.
5. A facial expression of contempt or scorn.
6. Argentinian cariama.
7. 300 to 3000 kilohertz.
8. A flat wing-shaped process or winglike part of an organism.
9. A Chadic language spoken south of Lake Chad.
10. East Indian tree bearing a profusion of intense vermilion velvet-textured blooms and yielding a yellow dye.
15. Capital and largest city and economic center of Peru.
16. (pathology) An elevation of the skin filled with serous fluid.
18. An official prosecutor for a judicial district.
22. A radioactive element of the actinide series.
23. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
25. Stairway in India leading down to a landing on the water.
27. A loose sleeveless outer garment made from aba cloth.
29. A soft silvery metallic element of the alkali earth group.
30. Foul with waste matter.
32. A light touch or stroke.
34. The cry made by sheep.
35. One of the two main branches of orthodox Islam.
36. Either of two large African antelopes of the genus Taurotragus having short spirally twisted horns in both sexes.
38. A small ball with a hole through the middle.
39. A trivalent metallic element of the rare earth group.
43. An undergarment worn by women to support their breasts.
44. A unit of pressure.
45. (Irish) Mother of the ancient Irish gods.
46. A United States unit of weight equivalent to 100 pounds.
47. A soft silvery metallic element of the alkali earth group.
48. A doctor's degree in religion.