1. Sandwich filled with slices of bacon and tomato with lettuce.
4. Of inferior or mixed breed.
7. A metabolic acid found in yeast and liver cells.
11. A former agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States.
12. (Babylonian) The sky god.
13. (Babylonian) God of storms and wind.
14. The sound made by a gentle blow.
15. A boy or man.
16. A Chadic language spoken south of Lake Chad.
17. A state in northwestern North America.
20. The most common computer memory which can be used by programs to perform necessary tasks while the computer is on.
21. The blood group whose red cells carry both the A and B antigens.
22. A white metallic element that burns with a brilliant light.
24. A cylindrical drawstring bag used by sailors to hold their clothing and other gear.
27. Small terrestrial lizard of warm regions of the Old World.
31. A soft silvery metallic element of the alkali earth group.
32. The elementary stages of any subject (usually plural).
34. Of or relating to or characteristic of Thailand of its people.
35. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
37. The Tibeto-Burman language spoken in the Dali region of Yunnan.
38. A public promotion of some product or service.
39. A radioactive element of the actinide series.
41. A humorous anecdote or remark.
45. A compartment in front of a motor vehicle where driver sits.
47. A resource.
49. A city in northern India.
51. An accountant certified by the state.
52. The cry made by sheep.
53. South African term for `boss'.
54. A river in north central Switzerland that runs northeast into the Rhine.
55. An anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling of light-headedness or irritability etc that has lasted for more than six months.
56. Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves.

1. A Chadic language spoken south of Lake Chad.
2. An accidental hole that allows something (fluid or light etc.) to enter or escape.
3. A protocol developed for the internet to get data from one network device to another.
4. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
5. Relatively small fast-moving sloth.
6. European freshwater fish resembling the roach.
7. A number of sheets of paper fastened together along one edge.
8. The sixth month of the civil year.
9. A small cake leavened with yeast.
10. (Old Testament) In Judeo-Christian mythology.
18. An esoteric or occult matter that is traditionally secret.
19. Any of various spiny trees or shrubs of the genus Acacia.
23. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
25. A loose sleeveless outer garment made from aba cloth.
26. Light informal conversation for social occasions.
28. A unit of pressure.
29. Informal terms for a mother.
30. The branch of computer science that deal with writing computer programs that can solve problems creatively.
33. Capital and largest city of Iraq.
36. (Babylonian) A demigod or first man.
37. A protocol developed for the internet to get data from one network device to another.
40. Open-heart surgery in which the rib cage is opened and a section of a blood vessel is grafted from the aorta to the coronary artery to bypass the blocked section of the coronary artery and improve the blood supply to the heart.
42. An amino acid that is found in the central nervous system.
43. A steep rugged rock or cliff.
44. An independent group of closely related Chadic languages spoken in the area between the Biu-Mandara and East Chadic languages.
46. A room or establishment where alcoholic drinks are served over a counter.
48. A plant hormone promoting elongation of stems and roots.
49. A doctor's degree in religion.
50. United States liquid unit equal to 4 quarts or 3.785 liters.
51. A soft silvery metallic element of the alkali earth group.