1. The 7th letter of the Greek alphabet.
4. Belonging to some prior time.
12. A caustic detergent useful for removing grease.
15. Any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes.
16. Earless seals.
17. A statement that deviates from or perverts the truth.
18. Jordan's port.
20. A substance produced by the hypothalamus that is capable of accelerating the secretion of a given hormone by the anterior pituitary gland.
21. A highly unstable radioactive element (the heaviest of the halogen series).
23. Sirenian mammal of tropical coastal waters of America.
26. United States jazz musician who influenced the style of Louis Armstrong (1885-1938).
28. A yellow pungent volatile oil (trade name Agene) formerly used for bleaching and aging flour.
29. A member of the Siouan people formerly living in the Missouri river valley in NE Nebraska.
31. A Russian river.
33. Indian religious leader who founded Sikhism (1469-1538).
35. (Roman mythology) Roman god of death.
39. Any of several plants of the genus Camassia.
42. The type of environment in which an organism or group normally lives or occurs.
44. Become ground down or deteriorate.
47. An artificial language that is a revision and simplification of Esperanto.
48. A loose sleeveless outer garment made from aba cloth.
49. A workplace for the conduct of scientific research.
53. East Indian tree widely cultivated in the tropics for its aromatic seed.
55. During the intervening time.
56. An isogram connecting points receiving equal amounts of sunshine.
58. Hired for the exclusive temporary use of a group of travelers.
59. The biblical name for ancient Syria.
62. Someone unable to adapt to their circumstances.
64. A tricycle (usually propelled by pedalling).
66. The blood group whose red cells carry both the A and B antigens.
67. Tropical starchy tuberous root.
71. Very small free-living arachnid that is parasitic on animals or plants.
75. A river in north central Switzerland that runs northeast into the Rhine.
76. Airtight sealed metal container for food or drink or paint etc..
77. A small family of tunicates in the class Thaliacea.
79. A nucleic acid that transmits genetic information from DNA to the cytoplasm.
80. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
81. A cookout at the seashore where clams and fish and other foods are cooked--usually on heated stones covered with seaweed.
82. A light touch or stroke.

1. Mild yellow Dutch cheese made in balls.
2. The basic unit of money in Bangladesh.
3. (Hindu) A manner of sitting (as in the practice of Yoga).
4. (often followed by `of') A large number or amount or extent.
5. A midwestern state in north central United States in the Great Lakes region.
6. Of or related to or made of moreen.
7. Liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid.
8. A light strong gray lustrous corrosion-resistant metallic element used in strong light-weight alloys (as for airplane parts).
9. An agency of the United Nations affiliated with the World Bank.
10. A Powhatan Indian woman (the daughter of Powhatan) who befriended the English at Jamestown and is said to have saved Captain John Smith's life (1595-1617).
11. 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.
12. Speaking a Slavic language.
13. A characteristic state or mode of living.
14. (used especially of vegetation) Having lost all moisture.
19. Capital and largest city of Iraq.
22. A member of the extinct Algonquian people formerly living in northern Indiana and southern Michigan.
24. Half the width of an em.
25. An argument opposed to a proposal.
27. A gonadotropic hormone that is secreted by the anterior pituitary.
30. A member of the Siouan people formerly living in the Missouri river valley in NE Nebraska.
32. Found along western Atlantic coast.
34. Title for a civil or military leader (especially in Turkey).
36. Inflammation of the ear.
37. A housing for a radar antenna.
38. (informal) Under the influence of narcotics.
40. Ditch dug as a fortification and usually filled with water.
41. United States tennis player (born in Yugoslavia in 1973).
43. A sultanate in northwestern Borneo.
45. A small pellet fired from an air rifle or BB gun.
46. Valuable fiber plant of East Indies now widespread in cultivation.
50. Lacking gonads.
51. Tropical and subtropical marine and freshwater fishes having an elongated body and long protruding lower jaw.
52. Supported and operated by the government of a state.
54. (Norse mythology) Giant who lives in the roots of Yggdrasil and guards the well of wisdom.
57. The square of a body of any size of type.
60. A summary that repeats the substance of a longer discussion.
61. A city in southern Turkey on the Seyhan River.
63. The main city of ancient Phoenicia.
65. (computer science) A kind of computer architecture that has a large number of instructions hard coded into the cpu chip.
68. Any of a group of Indic languages spoken in Kashmir and eastern Afghanistan and northern Pakistan.
69. (Irish) Mother of the Tuatha De Danann.
70. An Arabic speaking person who lives in Arabia or North Africa.
72. (music) The pace of music measured by the number of beats occurring in 60 seconds.
73. Support resembling the rib of an animal.
74. A fixed charge for a privilege or for professional services.
78. A white soft metallic element that tarnishes readily.