1. Used of a single unit or thing.
4. German chemist who pioneered analytical chemistry and discovered three new elements (1743-1817).
12. Being one hundred more than two hundred.
15. A number of sheets of paper fastened together along one edge.
16. Extinct dodos and solitaires.
17. A flat wing-shaped process or winglike part of an organism.
18. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
19. A tooth for cutting or gnawing.
21. Any of several plants of the genus Camassia.
23. A colorless oily compound extracted from coal tar and used in manufacturing synthetic resins.
25. Largest crested screamer.
28. The seventh month of the Moslem calendar.
29. Cosmopolitan genus of ferns.
32. The sound made by corvine birds.
35. Genus of tropical plants with creeping rootstocks and small umbellate flowers.
37. Complacently or inanely foolish.
39. Of or relating to or characteristic of Thailand of its people.
43. Type genus of the Alcidae comprising solely the razorbill.
44. Basic principles of the cosmos.
46. Liveliness and energy.
47. A federation of North American industrial unions that merged with the American Federation of Labor in 1955.
49. (Islam) The man who leads prayers in a mosque.
51. (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing.
54. A streamlined enclosure for an aircraft engine.
58. A public promotion of some product or service.
59. An employee who mixes and serves alcoholic drinks at a bar.
61. Of or relating to or supporting Islamism.
66. A university town in east central Illinois adjoining Champaign.
69. A loose sleeveless outer garment made from aba cloth.
70. A mark left by the healing of injured tissue.
71. A tricycle (usually propelled by pedalling).
73. A republic in central Europe.
74. The capital and largest city of Yemen.
75. Pale yellow seedless grape used for raisins and wine.
76. A sweetened beverage of diluted fruit juice.

1. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
2. Plant with an elongated head of broad stalked leaves resembling celery.
3. Mild yellow Dutch cheese made in balls.
4. 8th and most important avatar of Vishnu.
5. East Indian tart yellow berrylike fruit.
6. A drug combination found in some over-the-counter headache remedies (Aspirin and Phenacetin and Caffeine).
7. The 21st letter of the Greek alphabet.
8. (computer science) A kind of computer architecture that has a relatively small set of computer instructions that it can perform.
9. The sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form.
10. Covered with paving material.
11. A very light colorless element that is one of the six inert gasses.
12. Long pod containing small beans and sweetish edible pulp.
13. Group of people related by blood or marriage.
14. (of a young animal) Abandoned by its mother and raised by hand.
20. (of a person) Possessing physical strength and weight.
22. Any of various spiny trees or shrubs of the genus Acacia.
24. A genus of Platalea.
26. (Old Testament) The fourth son of Jacob who was forebear of one of the tribes of Israel.
27. Before noon.
30. Any of several plants of or developed from the species Dahlia pinnata having tuberous roots and showy rayed variously colored flower heads.
31. Small tropical American tree bearing edible plumlike fruit.
33. Lacking in reality or substance or genuineness.
34. (plural) Any group of human beings (men or women or children) collectively.
36. A commercial leavening agent containing yeast cells.
38. Strike with disgust or revulsion.
40. A doctor's degree in religion.
41. Submerged aquatic plant having narrow leaves and small flowers.
42. Fallow deer.
45. Cassava with long tuberous edible roots and soft brittle stems.
48. Realistic Norwegian author who wrote plays on social and political themes (1828-1906).
50. English monk and scholar (672-735).
52. The capital of Turkey.
53. (Scotland) A small loaf or roll of soft bread.
55. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
56. Relating to or concerned with a city or densely populated area.
57. A large number or amount.
60. Type genus of the family Arcidae.
62. The act of scanning.
63. A Chadic language spoken south of Lake Chad.
64. A United Nations agency created to assist developing nations by loans guaranteed by member governments.
65. An enclosure made or wire or metal bars in which birds or animals are kept.
67. A unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound.
68. A successful stroke in an athletic contest (especially in baseball).
72. A bivalent and trivalent metallic element of the rare earth group.