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. Small genus of Eurasian herbs.
10. A city in north central Morocco.
13. United States architect (born in China in 1917).
14. On a ship, train, plane or other vehicle.
15. Liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid.
16. The twelfth month of the civil year.
18. A small nail.
19. The 7th letter of the Greek alphabet.
20. Conqueror of Gaul and master of Italy (100-44 BC).
22. (trademark) An antacid.
24. South American wood sorrel cultivated for its edible tubers.
27. Being ten more than eighty.
28. A domed or vaulted recess or projection on a building especially the east end of a church.
31. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
33. (Islam) The man who leads prayers in a mosque.
37. Long slender feather on the necks of e.g. turkeys and pheasants.
39. An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
40. Small European freshwater fish with a slender bluish-green body.
41. A loose sleeveless outer garment made from aba cloth.
42. A lipoprotein that transports cholesterol in the blood.
44. A small pellet fired from an air rifle or BB gun.
46. A strong emotion.
47. A coffee cake flavored with orange rind and raisins and almonds.
49. Having help.
51. Before noon.
52. A person who announces and plays popular recorded music.
54. A radioactive element of the actinide series.
55. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
59. The slender spear of the Bantu-speaking people of Africa.
63. A woman hired to suckle a child of someone else.
64. Not in operation or operational.
66. A kiln for drying hops.
67. A mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues.
71. Water frozen in the solid state.
72. Mature female of mammals of which the male is called `buck'.
73. A member of an agricultural people of southern India.
74. A master's degree in theology.

1. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
2. Goddess of the dead and queen of the underworld.
3. A unit of length equal to 1760 yards.
4. Offering fun and gaiety.
5. The blood group whose red cells carry both the A and B antigens.
6. An easy return of a tennis ball in a high arc.
7. The sense organ for hearing and equilibrium.
8. A metric unit of weight equal to one thousandth of a kilogram.
9. Large antelope with lightly spiraled horns of desert regions of North Africa.
10. An intuitive awareness.
11. (prefix) Outside or outer.
12. The second largest city in Tunisia.
17. A member of a Turkic people of Uzbekistan and neighboring areas.
21. Dressed or clothed especially in fine attire.
23. Harsh or corrosive in tone.
25. A white metallic element that burns with a brilliant light.
26. A river in north central Switzerland that runs northeast into the Rhine.
29. A metabolic acid found in yeast and liver cells.
30. Someone who works (or provides workers) during a strike.
32. A workplace for the conduct of scientific research.
34. A female domestic.
35. A unit of area (4840 square yards) used in English-speaking countries.
36. (archaic) A fitting reward.
38. Wild or domesticated South American cud-chewing animal related to camels but smaller and lacking a hump.
43. A digital display that uses liquid crystal cells that change reflectivity in an applied electric field.
45. South African term for `boss'.
48. The 11th letter of the Hebrew alphabet.
50. The United Nations agency concerned with civil aviation.
53. A port in western Israel on the Mediterranean.
54. Before noon.
56. A platform raised above the surrounding level to give prominence to the person on it.
57. A cord that is drawn through eyelets or around hooks in order to draw together two edges (as of a shoe or garment).
58. (Greek mythology) Daughter of Zeus and Demeter.
60. The rate of moving (especially walking or running).
61. United States writer (born in Poland) who wrote in Yiddish (1880-1957).
62. A distinct part that can be specified separately in a group of things that could be enumerated on a list.
65. Any federal law-enforcement officer.
68. A soft heavy toxic malleable metallic element.
69. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
70. A soft silvery metallic element of the alkali earth group.