1. A bachelor's degree in library science.
5. A loose sleeveless outer garment made from aba cloth.
8. (Judaism) Sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments.
11. Preparatory school work done outside school (especially at home).
12. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
13. Japanese ornamental tree with fragrant white or pink blossoms and small yellow fruits.
14. The United Nations agency concerned with atomic energy.
15. (informal) Roused to anger.
16. A coenzyme derived from the B vitamin nicotinic acid.
17. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
19. (Scotland) A landowner.
23. (computer science) A coding system that incorporates extra parity bits in order to detect errors.
24. Having nine hinged bands of bony plates.
26. A condition (mostly in boys) characterized by behavioral and learning disorders.
30. The capital and largest city of Bangladesh.
33. A compartment in front of a motor vehicle where driver sits.
34. An imaginary elephant that appears in a series of French books for children.
37. (Phoenician and Philistine) God of agriculture and the earth.
41. Title for a civil or military leader (especially in Turkey).
42. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
45. Plant with an elongated head of broad stalked leaves resembling celery.
46. Of or relating to or characteristic of the Republic of Chad or its people or language.
48. A public promotion of some product or service.
49. A notable achievement.
50. Exhibiting or restored to vigorous good health.
51. A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances.
52. Type genus of the Alcidae comprising solely the razorbill.
53. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.

1. The capital of Western Samoa.
2. (informal) Exceptionally good.
3. Towards the side away from the wind.
4. A health resort near a spring or at the seaside.
5. A large fleet.
6. The cry made by sheep.
7. (of eggs) No longer edible.
8. Of or related to the amnion or characterized by developing an amnion.
9. Located in or toward the back or rear.
10. Scottish sea captain who was hired to protect British shipping in the Indian Ocean and then was accused of piracy and hanged (1645-1701).
18. A ductile gray metallic element of the lanthanide series.
20. A radioactive element of the actinide series.
21. The elementary stages of any subject (usually plural).
22. An indehiscent fruit derived from a single ovary having one or many seeds within a fleshy wall or pericarp.
25. (Akkadian) God of wisdom.
27. The district occupied entirely by the city of Washington.
28. An associate degree in nursing.
29. A soft silvery metallic element of the alkali earth group.
31. A river in north central Switzerland that runs northeast into the Rhine.
32. A landlocked republic in eastern Africa.
35. Title for a civil or military leader (especially in Turkey).
36. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
37. An informal term for a father.
38. A Gaelic-speaking Celt in Ireland or Scotland or the Isle of Man.
39. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
40. A quantity of no importance.
43. Committee formed by a special-interest group to raise money for their favorite political candidates.
44. A rapid bustling commotion.
45. A chronic skin disease occurring primarily in women between the ages of 20 and 40.
47. A Mid-Atlantic state.