1. Wet spongy ground of decomposing vegetation.
4. A program under which employees regularly accumulate shares and may ultimately assume control of the company.
8. A condition (mostly in boys) characterized by behavioral and learning disorders.
11. A drug combination found in some over-the-counter headache remedies (Aspirin and Phenacetin and Caffeine).
12. A unit of area (4840 square yards) used in English-speaking countries.
13. An erratic deflection from an intended course.
14. An affirmative.
15. Someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential).
16. A statement that deviates from or perverts the truth.
17. A radioactive element of the actinide series.
20. Affect with wonder.
24. An Arabic speaking person who lives in Arabia or North Africa.
25. Viscera and trimmings of a butchered animal often considered inedible by humans.
26. A loose sleeveless outer garment made from aba cloth.
28. A soft yellow malleable ductile (trivalent and univalent) metallic element.
30. A unit of dry measure used in Egypt.
32. Made from residue of grapes or apples after pressing.
34. The blood group whose red cells carry both the A and B antigens.
35. Title for a civil or military leader (especially in Turkey).
37. Cause to be embarrassed.
41. 10 grams.
43. Used of a single unit or thing.
45. Type genus of the family Arcidae.
46. The residue that remains when something is burned.
47. Electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition.
48. A woman hired to suckle a child of someone else.
49. One-thousandth of an equivalent.
50. A Kwa language spoken by the Yoruba people in southwestern Nigeria.
51. Acquire or gain knowledge or skills.

1. Common Indian weaverbird.
2. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
3. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
4. (Akkadian) God of wisdom.
5. Any of a number of fishes of the family Carangidae.
6. Canadian hockey player (born 1948).
7. Having nine hinged bands of bony plates.
8. (trademark) A thin polyester film.
9. 1,000 baiza equal 1 riyal-omani.
10. A person of unquestioning obedience.
18. A river that rises in northern Colombia and flows generally eastward to the Orinoco in central Venezuela.
19. A metric unit of volume or capacity equal to 10 liters.
21. A flat-bottomed volcanic crater that was formed by an explosion.
22. (old-fashioned) At or from or to a great distance.
23. A white metallic element that burns with a brilliant light.
27. A Chadic language spoken south of Lake Chad.
29. A city of northern Poland near the mouth of the Vistula River on a gulf of the Baltic Sea.
31. Basic principles of the cosmos.
33. Lower in esteem.
34. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
36. (Greek mythology) Goddess of the earth and mother of Cronus and the Titans in ancient mythology.
37. Someone who is morally reprehensible.
38. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
39. A mark left by the healing of injured tissue.
40. German chemist who was co-discoverer with Lise Meitner of nuclear fission (1879-1968).
42. Military headquarters from which a military commander controls and organizes the forces.
44. Any of various systems of units for measuring electricity and magnetism.
45. A soft silvery metallic element of the alkali earth group.