1. A unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere.
4. The elementary stages of any subject (usually plural).
7. Take by theft.
11. Seed of a pea plant.
12. A long thin fluffy scarf of feathers or fur.
13. Large burrowing rodent of South and Central America.
14. A genus of Mustelidae.
16. A loose sleeveless outer garment made from aba cloth.
18. An honorary degree in science.
19. A steep rugged rock or cliff.
20. A river of southwestern Africa that rises in central Angola and flows east and then north (forming part of the border between Angola and Congo) and continuing northwest through Congo to empty into the Congo River on the border between Congo and Republic of the Congo.
22. God of fire.
24. Avatar of Vishnu.
25. 35th President of the United States.
26. The square of a body of any size of type.
29. The elementary stages of any subject (usually plural).
30. (Welsh myth) The other world.
33. A flat-bottomed volcanic crater that was formed by an explosion.
38. A unit of pressure.
42. A river in north central Switzerland that runs northeast into the Rhine.
43. The 26th letter of the Roman alphabet.
44. Type genus of the Alcidae comprising solely the razorbill.
45. A benevolent aspect of Devi.
46. The rate at which red blood cells settle out in a tube of blood under standardized conditions.
47. An official language of the Republic of South Africa.
48. A light touch or stroke.

1. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
2. A person who is entitled by law or by the terms of a will to inherit the estate of another.
3. God of death.
4. The blood group whose red cells carry both the A and B antigens.
5. (Irish) Goddess.
6. A compartment in front of a motor vehicle where driver sits.
7. A physician who is not a specialist but treats all illnesses.
8. The sacred city of Lamaism.
9. English scholastic philosopher and assumed author of Occam's Razor (1285-1349).
10. Genus of sticky herbs with yellow flowers open in morning or evening but closed in bright light.
15. Title for a civil or military leader (especially in Turkey).
17. A state in northwestern North America.
21. A large fleet.
23. A releasing factor that accelerates the secretion of growth hormone by the anterior pituitary body.
27. A nuclear reactor that uses water as a coolant and moderator.
28. An associate degree in nursing.
31. The fleshy part of the human body that you sit on.
32. A person who gives a name or names.
34. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
35. (computer science) A data transmission rate (bits/second) for modems.
36. God of love and erotic desire.
37. An Arabic speaking person who lives in Arabia or North Africa.
39. (slang) A gangster's pistol.
40. A flat wing-shaped process or winglike part of an organism.
41. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.