1. A metal-bearing mineral valuable enough to be mined.
4. The dilated portion of a canal or duct especially of the semicircular canals of the ear.
11. Severe diabetes mellitus with an early onset.
15. Perennial herb of East India to Polynesia and Australia cultivated for its large edible root yielding Otaheite arrowroot starch.
16. Of or relating to or characteristic of Uganda or its people.
17. Roman Emperor notorious for his monstrous vice and fantastic luxury (was said to have started a fire that destroyed much of Rome in 64) but the Empire remained prosperous during his rule (37-68).
18. Moth having nonfunctional mouthparts as adults.
20. A resort city in southern Ukraine on the Black Sea.
21. (informal) A bunch.
22. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
23. Situated or taking place on the area of a stage visible to the audience.
25. The sense organ for hearing and equilibrium.
28. North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean.
30. A tan discoloration of a woman's face that is associated with pregnancy or with the use of oral contraceptives.
33. An avalanche volcanic water and mud down the slopes of a volcano.
36. A unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound.
37. A Chadic language spoken south of Lake Chad.
39. (Yiddish) Someone who is a boring pest.
44. An argument opposed to a proposal.
45. A language spoken by the Atakapa people of the Gulf coast of Louisiana and Texas.
48. A member of one of the four divisions of the prehistoric Greeks.
50. Rate of revolution of a motor.
51. Evergreen trees and shrubs having oily one-seeded fruits.
52. Someone who works (or provides workers) during a strike.
53. An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
55. (Judaism) A Jewish festival (traditionally 8 days) celebrating the exodus of the Israelites from Egypt.
57. English economist noted for his studies of international trade and finance (born in 1907).
59. Venetian traveler who explored Asia in the 13th century and served Kublai Khan (1254-1324).
62. A state in northwestern North America.
63. A nation in northern North America.
65. An organic compound that contains a hydroxyl group bonded to a carbon atom which in turn is doubly bonded to another carbon atom.
66. A block of solid substance (such as soap or wax).
68. The branch of engineering science that studies the uses of electricity and the equipment for power generation and distribution and the control of machines and communication.
69. A sudden loss of consciousness resulting when the rupture or occlusion of a blood vessel leads to oxygen lack in the brain.
72. Cubes of meat marinated and cooked on a skewer usually with vegetables.
73. Injured by bites or stings.
74. Wounded by cutting deeply.
76. Any culture medium that uses agar as the gelling agent.
79. A cap with a flat circular top and a visor.
80. (used with singular count nouns) Colloquial for `not a' or `not one' or `never a'.
81. A large number or amount.
82. In or of the present month.

1. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
2. Port city that is the capital and largest city of Latvia.
3. Any of various large keen-sighted diurnal birds of prey noted for their broad wings and strong soaring flight.
4. 100 aurar equal 1 krona.
5. 1/1000 gram.
6. Something that remunerates.
7. Being without physical aid.
8. A lipoprotein that transports cholesterol in the blood.
9. Wife or mistress of Zeus and mother of Apollo and Artemis in ancient mythology.
10. A genus of tropical American plants have sword-shaped leaves and a fleshy compound fruits composed of the fruits of several flowers (such as pineapples).
11. In place of, or as an alternative to.
12. Vacuum flask that holds liquid air or helium for scientific experiments.
13. The phenomenon of resistance to motion through a fluid.
14. A manner of performance.
19. The great hall in ancient Persian palaces.
24. A quantity of money.
26. The basic unit of electric current adopted under the System International d'Unites.
27. An extension at the end and at right angles to the main building.
29. Fried quickly in a little fat.
31. On a ship, train, plane or other vehicle.
32. Ancient city is southeastern Italy where Hannibal defeated the Romans in 216 BC.
34. A television system that has more than the usual number of lines per frame so its pictures show more detail.
35. Law intended to eradicate organized crime by establishing strong sanctions and forfeiture provisions.
38. (informal) Of the highest quality.
40. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
41. A civil or military authority in Turkey or Egypt.
42. A federal agency that supervises carriers that transport goods and people between states.
43. A genus of Paridae.
46. A game played with young children.
47. An associate degree in applied science.
49. In bed.
54. A building where birds are kept.
56. Any organic compound formed by adding alcohol molecules to aldehyde molecules.
58. A city in western Germany near the Dutch and Belgian borders.
60. Lake in northwestern Russia near the border with Finland.
61. Of or relating to or affecting a lobe.
64. Wine and hot water with sugar and lemon juice and nutmeg.
67. Scottish sea captain who was hired to protect British shipping in the Indian Ocean and then was accused of piracy and hanged (1645-1701).
70. A member of a Finnish people of Russia.
71. A nearly horizontal passage from the surface into a mine.
75. Narrow wood or metal or plastic runners used for gliding over snow.
77. A blow that renders the opponent unconscious.
78. A brittle gray crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors.