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 palace and fortress built in Granada by the Moslems in the Middle Ages.
12. Of southern Europe.
15. Liquid excretory product.
16. A man who serves as a sailor.
17. (computer science) A measure of how densely information is packed on a storage medium.
18. A period marked by distinctive character or reckoned from a fixed point or event.
19. The opposition or dissimilarity of things that are compared.
20. An international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members.
21. Continue a certain state, condition, or activity.
23. (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing.
25. The local time at the 0 meridian passing through Greenwich, England.
26. Citadel of Moscow, housing the offices of the Russian government.
28. Love intensely.
31. The compass point midway between east and southeast.
32. (Islam) The man who leads prayers in a mosque.
36. Something considered choice to eat.
40. A hormone secreted by the anterior pituitary gland that controls the degree of pigmentation in melanocytes.
41. A support that consists of a horizontal surface for holding objects.
44. An Arab country on the peninsula of Qatar.
45. Large west African tree having large palmately lobed leaves and axillary cymose panicles of small white flowers and one-winged seeds.
48. A small vessel for travel on water.
50. Considerate and solicitous care.
51. Xerophytic evergreen shrubs.
52. Seed vessel having hooks or prickles.
54. A colorless and odorless inert gas.
55. A member of an extinct North American Indian people who lived in the Pit river valley in northern California.
57. (Old Testament) The second patriarch.
59. An edge tool with a heavy bladed head mounted across a handle.
61. In the Arabian Nights a hero who tells of the fantastic adventures he had in his voyages.
63. The position or office of a dean.
67. Having a woven pattern.
70. The craniometric point at the junction of the sagittal and coronal sutures at the top of the cranium.
71. A Greek epic poem (attributed to Homer) describing the siege of Troy.
74. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
75. Used in combination to denote the middle.
76. A collection of excerpts from a literary work.
78. A barrier constructed to contain the flow or water or to keep out the sea.
79. Relating to or characteristic of or occurring on the sea or ships.
80. Being one more than eighteen.
81. A loose sleeveless outer garment made from aba cloth.

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. Accumulation of serous fluid in peritoneal cavity.
5. A historical area and former kingdom in northwestern Spain.
6. (Judaism) An eight-day Jewish holiday commemorating the rededication of the Temple of Jerusalem.
7. Located farther aft.
8. The month following February and preceding April.
9. German composer (1833-1897).
10. The selling of something purchased.
11. The products of human creativity.
12. Norwegian mathematician (1802-1829).
13. A detailed description of design criteria for a piece of work.
14. A linear unit (1/6 inch) used in printing.
22. A native or inhabitant of Turkey.
24. (Jungian psychology) The inner self (not the external persona) that is in touch with the unconscious.
27. 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.
29. Remove from the bar.
30. Of a moderate orange-yellow color.
33. Not reflecting light.
34. Any of numerous ornamental shrubs grown for their showy flowers of various colors.
35. Belgian racing cyclist who won the Tour de France five times (born in 1945).
37. A city of central China.
38. English writer and a central member of the Fabian Society (1858-1943).
39. A state in northwestern North America.
42. United States prizefighter who was world heavyweight campion for 12 years (1914-1981).
43. A person of Iranian descent.
46. Noisy with or as if with loud cries and shouts.
47. An executioner who beheads the condemned person.
49. Antihypertensive drug (trade names Trandate and Normodyne) that blocks alpha and beta-adrenergic receptors of the sympathetic nervous system (leading to a decrease in blood pressure).
53. A fraudulent business scheme.
56. American prizefighter who won the world heavyweight championship three times (born in 1942).
58. A port city in southwestern Iran.
60. English monk and scholar (672-735).
62. (Irish) Chief god of the Tuatha De Danann.
64. A member of an Iroquoian people formerly living on the south shore of Lake Erie in northern Ohio and northwest Pennsylvania and western New York.
65. A Loloish language.
66. A collection of objects laid on top of each other.
68. Someone who works (or provides workers) during a strike.
69. God of love and erotic desire.
72. A serve that strikes the net before falling into the receiver's court.
73. Water frozen in the solid state.
77. An associate degree in nursing.