1. Thickening of tissue in the motor tracts of the lateral columns and anterior horns of the spinal cord.
4. A master's degree in business.
7. A Chadic language spoken south of Lake Chad.
11. Resinlike substance secreted by certain lac insects.
12. A former agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States.
13. (botany) Of or relating to the axil.
14. A vinyl polymer used especially in paints or adhesives.
15. Any of various long-tailed rodents similar to but larger than a mouse.
16. A member of an American Indian people of Yucatan and Belize and Guatemala who once had a culture characterized by outstanding architecture and pottery and astronomy.
17. A midnight meeting of witches to practice witchcraft and sorcery.
20. A guided missile fired from shipboard against an airborne target.
21. A radioactive element of the actinide series.
24. Sluggish tailless Australian arboreal marsupial with gray furry ears and coat.
27. The capital of Croatia.
29. An elaborate song for solo voice.
31. A mark left by the healing of injured tissue.
33. South American wood sorrel cultivated for its edible tubers.
34. A soft silvery metallic element of the alkali earth group.
36. A light touch or stroke.
39. An edge tool with a heavy bladed head mounted across a handle.
41. The blood group whose red cells carry both the A and B antigens.
42. The sixth month of the civil year.
44. Title for a civil or military leader (especially in Turkey).
47. A collection of facts from which conclusions may be drawn.
48. A compartment in front of a motor vehicle where driver sits.
49. Wild and domestic cattle.
50. (Old Testament) In Judeo-Christian mythology.
51. A loose sleeveless outer garment made from aba cloth.
52. The compass point that is one point east (clockwise) of due north.
1. A large mountain system in south-central Europe.
2. Rock that in its molten form (as magma) issues from volcanos.
3. Someone who works (or provides workers) during a strike.
4. A percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance.
5. (informal) Very tired.
6. A legal document codifying the result of deliberations of a committee or society or legislative body.
7. A barrier constructed to contain the flow or water or to keep out the sea.
8. By bad luck.
9. Common Indian weaverbird.
10. The biblical name for ancient Syria.
18. A pale rose-colored variety of the ruby spinel.
19. French cabaret singer (1915-1963).
22. A male monarch or emperor (especially of Russia prior to 1917).
23. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
25. A state in northwestern United States on the Pacific.
26. The branch of computer science that deal with writing computer programs that can solve problems creatively.
28. The 17th letter of the Greek alphabet.
30. A city of southeastern Mexico.
32. A white metallic element that burns with a brilliant light.
34. Long pod containing small beans and sweetish edible pulp.
35. Lower in esteem.
37. (Babylonian) God of storms and wind.
38. A Chadic language spoken south of Lake Chad.
40. A small cake leavened with yeast.
41. Before noon.
43. The most common computer memory which can be used by programs to perform necessary tasks while the computer is on.
45. Light informal conversation for social occasions.
46. The compass point that is one point north of due east.