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. A tax on employees and employers that is used to fund the Social Security system.
8. A republic in western South America.
12. Large burrowing rodent of South and Central America.
16. Liquid excretory product.
17. Toward the mouth or oral region.
18. A theocratic republic in the Middle East in western Asia.
19. Divisible by two.
20. A period marked by distinctive character or reckoned from a fixed point or event.
21. A title of address formerly used for a man of rank and authority.
22. Baby bed with high sides.
23. A Chadic language spoken south of Lake Chad.
24. Tropical Asian tree with hard white wood and bark formerly used as a remedy for dysentery and diarrhea.
27. Type genus of the Tapiridae.
29. The world's largest desert (3,500,000 square miles) in North Africa.
32. South American armadillo with three bands of bony plates.
35. A republic on the island of Malta in the Mediterranean.
37. Cud-chewing mammal used as a draft or saddle animal in desert regions.
40. French writer whose novels described the sordid side of city life (1804-1857).
42. Harsh or corrosive in tone.
45. A hard gray lustrous metallic element that is highly corrosion-resistant.
46. A twilled woolen fabric.
50. Fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed.
55. Castrate, used with animals.
56. Lac purified by heating and filtering.
58. Sottish sailor who was put ashore on a deserted island off the coast of Chile for five years (providing the basis for Daniel Defoe's novel about Robinson Crusoe) (1676-1721).
59. (physics and chemistry) The simplest structural unit of an element or compound.
61. A heavy brittle metallic element of the platinum group.
62. A partly sheltered anchorage.
65. (zoology) Pertaining to alulae.
66. The basic unit of money in Nigeria.
69. Any of several tall tropical palms native to southeastern Asia having egg-shaped nuts.
71. A waste pipe that carries away sewage or surface water.
72. A ribbon used as a decoration.
74. (in various religions) The world of the dead.
76. A state of individual psychological well-being based upon a sense of confidence and usefulness and purpose.
79. Tropical starchy tuberous root.
83. A Kwa language spoken by the Yoruba people in southwestern Nigeria.
84. A Dravidian language closely related to Tamil that is spoken in a hilly section of southwestern India.
87. (prefix) Within.
89. A river in north central Switzerland that runs northeast into the Rhine.
90. Alsatian artist and poet who was cofounder of Dadaism in Zurich.
91. A mountain peak in the southern Sinai Peninsula (7,500 feet high).
92. The state of being covered with unclean things.
93. A fluorocarbon with chlorine.
94. Any of various long-tailed rodents similar to but larger than a mouse.
95. An elementary particle responsible for the forces in the atomic nucleus.
96. Large genus of tropical subshrubs or herbs some of which yield fibers of mucilaginous substances.
97. The 7th letter of the Greek alphabet.

1. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
2. A man distinguished by exceptional courage and nobility and strength.
3. (statistics) Approximating the statistical norm or average or expected value.
4. A concavity in a surface (especially an anatomical depression).
5. Of or relating to or characteristic of Ireland or its people.
6. Type genus of the Cariamidae comprising only the crested cariama.
7. A sweetened beverage of diluted fruit juice.
8. A linear unit (1/6 inch) used in printing.
9. To make a mistake or be incorrect.
10. An Indian side dish of yogurt and chopped cucumbers and spices.
11. Remove a bar from (a door, for example).
12. A tricycle (usually propelled by pedalling).
13. Evergreen Indian shrub with vivid yellow flowers whose bark is used in tanning.
14. An important seaport on the Island of Cebu in the Philippines.
15. Type genus of the Anatidae.
25. The rate at which red blood cells settle out in a tube of blood under standardized conditions.
26. A metric unit of volume or capacity equal to 10 liters.
28. Committee formed by a special-interest group to raise money for their favorite political candidates.
30. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
31. Covered with paving material.
33. A woman in childbirth or shortly thereafter.
34. In or belonging to the air or operating (for or by means of aircraft or elevated cables) in the air.
36. Of or relating to a speaker of the Tamil language or the language itself.
38. A nonsteroidal anti-inflammatory drug (trade name Lodine).
39. Widespread genus or herbs or soft-wooded arborescent shrubs cultivated for their showy flowers.
41. A toxic nonmetallic element related to sulfur and tellurium.
43. Small tropical American tree bearing edible plumlike fruit.
44. A metric unit of volume or capacity equal to 10 liters.
47. Manna grass.
48. A colloid that has a continuous liquid phase in which a solid is suspended in a liquid.
49. A medicinal liquid preparation intended for use in an atomizer.
51. A male monarch or emperor (especially of Russia prior to 1917).
52. A resident of Ohio.
53. (usually preceded by `in') A detail or point.
54. A tiny cavity filled with fluid in the cytoplasm of a cell.
57. A large stringed instrument.
60. Old World terrestrial lizard.
63. A Mid-Atlantic state.
64. Interface consisting of a standard port between a computer and its peripherals that is used in some computers.
67. Enter uninvited.
68. Discrimination in favor of the able-bodied.
70. The right to enter.
73. The lofty nest of a bird of prey (such as a hawk or eagle).
75. The capital city of Vietnam.
76. A room or establishment where alcoholic drinks are served over a counter.
77. Long green edible beaked pods of the okra plant.
78. Characteristic of false pride.
80. Small European freshwater fish with a slender bluish-green body.
81. Informal or slang terms for mentally irregular.
82. Type genus of the family Arcidae.
85. A transuranic element that has not been found in nature.
86. Of or relating to a member of the Buddhist people inhabiting the Mekong river in Laos and Thailand.
88. Leaf or strip from a leaf of the talipot palm used in India for writing paper.
89. A compartment in front of a motor vehicle where driver sits.