1. An informal term for a father.
4. A program under which employees regularly accumulate shares and may ultimately assume control of the company.
8. Any of various trees of the genus Ulmus.
11. A condition (mostly in boys) characterized by behavioral and learning disorders.
12. The highest level or degree attainable.
13. A doctor's degree in education.
14. A Chadic language spoken south of Lake Chad.
16. A loose sleeveless outer garment made from aba cloth.
17. A barrier constructed to contain the flow or water or to keep out the sea.
18. A public promotion of some product or service.
19. (Babylonian) God of wisdom and agriculture and patron of scribes and schools.
22. A radioactive element of the actinide series.
24. Lower in esteem.
31. A small cake leavened with yeast.
33. (informal) Exceptionally good.
34. A white metallic element that burns with a brilliant light.
35. The branch of computer science that deal with writing computer programs that can solve problems creatively.
36. A metric unit of weight equal to one thousandth of a kilogram.
42. Kamarupan languages spoken in northeastern India and western Burma.
47. Type genus of the Alcidae comprising solely the razorbill.
48. Resinlike substance secreted by certain lac insects.
49. Type genus of the family Myacidae.
50. An official language of the Republic of South Africa.
51. A constellation in the southern hemisphere near Telescopium and Norma.
52. An audiotape recording of sound.

1. A Chadic language spoken south of Lake Chad.
2. (Babylonian) God of storms and wind.
3. An insecticide that is also toxic to animals and humans.
4. (Akkadian) God of wisdom.
5. Someone who works (or provides workers) during a strike.
6. Fast-growing herbaceous evergreen tree of South America having a broad trunk with high water content and dark green oval leaves.
7. Seed of a pea plant.
8. Tropical starchy tuberous root.
9. An accidental hole that allows something (fluid or light etc.) to enter or escape.
10. Designer drug designed to have the effects of amphetamines (it floods the brain with serotonin) but to avoid the drug laws.
15. Squash bugs.
20. (informal) Of the highest quality.
21. An inhabitant of ancient Thebes.
23. In operation or operational.
25. A soft silvery metallic element of the alkali earth group.
26. The elementary stages of any subject (usually plural).
27. Title for a civil or military leader (especially in Turkey).
28. The use of nuclear magnetic resonance of protons to produce proton density images.
29. A state in midwestern United States.
30. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
32. The district occupied entirely by the city of Washington.
37. The arch of bone beneath the eye that forms the prominence of the cheek.
38. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
39. Type genus of the family Arcidae.
40. Common Indian weaverbird.
41. An informal conversation.
43. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
44. Leaf or strip from a leaf of the talipot palm used in India for writing paper.
45. A river in north central Switzerland that runs northeast into the Rhine.
46. A doctor's degree in dental medicine.
47. A state in northwestern North America.