1. A Chadic language spoken south of Lake Chad.
5. The blood group whose red cells carry both the A and B antigens.
7. A island in the Netherlands Antilles that is the top of an extinct volcano.
11. A visual representation of an object or scene or person produced on a surface.
12. A soft silvery metallic element of the alkali earth group.
13. The sixth month of the civil year.
14. The network in the reticular formation that serves an alerting or arousal function.
16. An amino acid that is found in the central nervous system.
17. The elementary stages of any subject (usually plural).
18. A chronic inflammatory collagen disease affecting connective tissue (skin or joints).
19. A member of a Mayan people of southwestern Guatemala.
20. A white metallic element that burns with a brilliant light.
26. A woman hired to suckle a child of someone else.
30. A software system that facilitates the creation and maintenance and use of an electronic database.
31. A light touch or stroke.
33. A flat wing-shaped process or winglike part of an organism.
34. A radioactive element of the actinide series.
35. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
39. An island in Indonesia south of Borneo.
42. God of wealth and love.
44. A rare silvery (usually trivalent) metallic element.
46. The branch of computer science that deal with writing computer programs that can solve problems creatively.
47. A flexible container with a single opening.
48. King of Saudi Arabia since 1982 (born in 1922).
51. The 7th letter of the Greek alphabet.
52. (Babylonian) God of storms and wind.
53. Used of a single unit or thing.

1. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
2. Jordan's port.
3. Greenish-yellow pear.
4. An associate degree in nursing.
5. A loose sleeveless outer garment made from aba cloth.
6. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
7. A shape that sags.
8. (Old Testament) In Judeo-Christian mythology.
9. A small cake leavened with yeast.
10. The biblical name for ancient Syria.
15. (informal) Exceptionally good.
21. (computer science) A kind of computer architecture that has a large number of instructions hard coded into the cpu chip.
22. A partially opened flower.
23. A state in midwestern United States.
24. A benevolent aspect of Devi.
25. An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
27. A member of the Siouan people formerly living in the Missouri river valley in NE Nebraska.
28. A silvery ductile metallic element found primarily in bauxite.
29. (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing.
32. Date used in reckoning dates before the supposed year Christ was born.
36. Stairway in India leading down to a landing on the water.
37. A Chadic language spoken south of Lake Chad.
38. Title for a civil or military leader (especially in Turkey).
40. Characteristic of false pride.
41. An officer who acts as military assistant to a more senior officer.
43. Title for a civil or military leader (especially in Turkey).
45. A condition (mostly in boys) characterized by behavioral and learning disorders.
49. A public promotion of some product or service.
50. A white soft metallic element that tarnishes readily.