1. The ratio of the distance traveled (in miles) to the time spent traveling (in hours).
4. Not shared.
12. Nocturnal mouselike mammal with forelimbs modified to form membranous wings and anatomical adaptations for echolocation by which they navigate.
15. Small cubes with 1 to 6 spots on the faces.
16. Of or relating to the stars or constellations.
17. The seed of the cereal grass.
18. Agile slender-bodied arboreal mustelids somewhat larger than weasels.
20. Sudden and unexpected death of an apparently healthy infant during sleep.
22. A rounded thickly curled hairdo.
23. A portable shelter (usually of canvas stretched over supporting poles and fastened to the ground with ropes and pegs).
24. Title for a civil or military leader (especially in Turkey).
25. A pinkish lilac crystal form of the mineral spodumene that is used as a gemstone.
27. The site of an archeological exploration.
28. A Swiss patriot who lived in the early 14th century and who was renowned for his skill as an archer.
31. A small portable timepiece.
35. Disposed to please.
38. A Kwa language spoken by the Yoruba people in southwestern Nigeria.
39. A slender double-reed instrument.
41. A woman sahib.
43. The Creator.
44. A nucleotide derived from adenosine that occurs in muscle tissue.
45. Take by theft.
48. A river in north central Switzerland that runs northeast into the Rhine.
49. Owing or owed feudal allegiance and service.
51. An endorsement.
54. A very light brown.
56. A Chadic language spoken south of Lake Chad.
57. Consideration in dealing with others and avoiding giving offence.
58. A Russian river.
60. United States writer (born in Poland) who wrote in Yiddish (1880-1957).
61. Type genus of the Alcidae comprising solely the razorbill.
64. Ragout of game in a rich sauce.
66. (Islam) The man who leads prayers in a mosque.
70. A mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity.
73. Excessive desire to eat.
75. Large African antelope having a head with horns like an ox and a long tufted tail.
76. A cut of pork ribs with much of the meat trimmed off.
79. Airtight sealed metal container for food or drink or paint etc..
80. An antiviral drug used in the treatment of AIDS.
81. Tuberous or rhizomatous herbaceous perennials.
82. A constellation in the southern hemisphere near Telescopium and Norma.

1. Designer drug designed to have the effects of amphetamines (it floods the brain with serotonin) but to avoid the drug laws.
2. French cabaret singer (1915-1963).
3. A German man.
4. The act of using.
5. A fine strong sheer silky fabric made of silk or rayon or nylon.
6. A state in north central United States.
7. (Greek mythology) The goddess of the hearth and its fire in ancient mythology.
8. A short aria.
9. A poor white person in the southern US.
10. Situated in or facing or moving toward the east.
11. A metric unit of volume equal to one tenth of a liter.
12. Confederate general during the American Civil War who was defeated by Grant in the battle of Chattanooga (1817-1876).
13. An Indian nursemaid who looks after children.
14. A three-tone Chadic language.
19. United States writer remembered as the secretary and companion of Gertrude Stein (1877-1967).
21. South American plant cultivated for its large fragrant trumpet-shaped flowers.
26. Austrian writer (1881-1942).
29. A medicine that induces nausea and vomiting.
30. Someone who has a limp and walks with a hobbling gait.
32. The central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes.
33. Relating to modern Greece or its inhabitants or its language n.
34. United States newspaper publisher whose introduction of large headlines and sensational reporting changed American journalism (1863-1951).
36. A very young child (birth to 1 year) who has not yet begun to walk or talk.
37. A gonadotropic hormone that is secreted by the anterior pituitary.
40. God of wealth and love.
42. An indistinct shapeless form.
46. A Turkish unit of weight equal to about 2.75 pounds.
47. One of a series of similar body segments into which some animals are divided longitudinally.
50. A Russian prison camp for political prisoners.
52. Sect of Orthodox Jews who follow the Mosaic Law strictly.
53. The principles of right and wrong that are accepted by an individual or a social group.
55. A colorless explosive liquid that is volatile and poisonous and foul-smelling.
59. A very poisonous metallic element that has three allotropic forms.
62. City in northern Austria on the Danube.
63. King of Denmark and Norway who forced Edmund II to divide England with him.
65. Affected manners intended to impress others.
67. Any of various minerals consisting of hydrous silicates of aluminum or potassium etc. that crystallize in forms that allow perfect cleavage into very thin leaves.
68. Essential oil or perfume obtained from flowers.
69. Tropical Asian starlings.
71. 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.
72. The month following March and preceding May.
74. A loose sleeveless outer garment made from aba cloth.
77. The branch of computer science that deal with writing computer programs that can solve problems creatively.
78. (Akkadian) God of wisdom.