1. A coenzyme derived from the B vitamin nicotinic acid.
4. God of love and erotic desire.
8. An informal term for a father.
11. (Irish) Mother of the ancient Irish gods.
12. Type genus of the Alcidae comprising solely the razorbill.
13. The 7th letter of the Greek alphabet.
14. The dialect of Malay used as the national language of the Republic of Indonesia or of Malaysia.
16. A device that, on receiving radar signals, transmits coded signals in response to help navigators determine their position.
18. A mouth or mouthlike opening.
19. A logarithmic unit of sound intensity.
21. Avatar of Vishnu.
22. English monk and scholar (672-735).
24. French cabaret singer (1915-1963).
26. Used in combination.
28. Angular distance above the horizon (especially of a celestial object).
29. A software system that facilitates the creation and maintenance and use of an electronic database.
31. A fraudulent business scheme.
33. Title for a civil or military leader (especially in Turkey).
35. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
39. An indehiscent fruit derived from a single ovary having one or many seeds within a fleshy wall or pericarp.
43. A loose sleeveless outer garment made from aba cloth.
44. Characteristic of false pride.
47. (informal) Roused to anger.
48. (Irish) The sea personified.
49. English prelate noted for his pessimistic sermons and articles (1860-1954).
50. The sign language used in the United States.
51. A doctor's degree in education.
52. An officer who acts as military assistant to a more senior officer.
53. (meaning literally `born') Used to indicate the maiden or family name of a married woman.
54. A light strong brittle gray toxic bivalent metallic element.

1. A wealthy man (who made his fortune in the Orient).
2. Squash bugs.
3. The longer of the two telegraphic signals used in Morse code.
4. The quarter of many North African cities in which the citadel is located.
5. A flat wing-shaped process or winglike part of an organism.
6. One million periods per second.
7. A river in north central Switzerland that runs northeast into the Rhine.
8. Coffee with the caffeine removed.
9. (physics and chemistry) The smallest component of an element having the chemical properties of the element.
10. (Irish) Mother of the Tuatha De Danann.
15. A condition (mostly in boys) characterized by behavioral and learning disorders.
17. A constellation in the southern hemisphere near Telescopium and Norma.
20. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
23. Electronic warfare undertaken to prevent or reduce an enemy's effective use of the electromagnetic spectrum.
25. An agency of the United Nations affiliated with the World Bank.
27. 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.
30. An enclosed space.
32. A master's degree in business.
34. Type genus of the Gavidae.
35. A flat wing-shaped process or winglike part of an organism.
36. The capital and largest city of Jordan.
37. Lower in esteem.
38. A spoon-shaped vessel with a long handle.
40. In bed.
41. One of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes.
42. Hinge joint in the human leg connecting the tibia and fibula with the femur and protected in front by the patella.
45. Black tropical American cuckoo.
46. One of the five major classes of immunoglobulins.