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1. South American armadillo with three bands of bony plates.
5. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
8. Tag the base runner to get him out.
11. A self-replicating protein molecule that occupies a fixed place on a chromosome.
12. A workplace for the conduct of scientific research.
13. To make a mistake or be incorrect.
14. Headdress that protects the head from bad weather.
16. South American wood sorrel cultivated for its edible tubers.
17. A state in northwestern North America.
18. An informal term for a father.
20. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
24. A midnight meeting of witches to practice witchcraft and sorcery.
28. A formal expression of praise.
31. 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.
32. (informal) Of the highest quality.
34. A white metallic element that burns with a brilliant light.
35. Resinlike substance secreted by certain lac insects.
37. A flat wing-shaped process or winglike part of an organism.
40. A highly unstable radioactive element (the heaviest of the halogen series).
44. Cubes of meat marinated and cooked on a skewer usually with vegetables.
46. Harsh or corrosive in tone.
47. An interior passage or corridor onto which rooms open.
50. An agency of the United Nations affiliated with the World Bank.
51. Widely cultivated in tropical and subtropical regions for its fragrant flowers and colorful fruits.
52. Having undesirable or negative qualities.
53. A condition (mostly in boys) characterized by behavioral and learning disorders.
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DOWN
1. Title for a civil or military leader (especially in Turkey).
2. Of a period of maximal use or demand or activity.
3. (prefix) Opposite or opposing or neutralizing.
4. A rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys.
5. Showing or causing joy and pleasure.
6. A compartment in front of a motor vehicle where driver sits.
7. A loose sleeveless outer garment made from aba cloth.
8. (used as a combining form) Recent or new.
9. Type genus of the family Arcidae.
10. (informal) Exceptionally good.
15. Large burrowing rodent of South and Central America.
19. A plant hormone promoting elongation of stems and roots.
21. A mature blood cell that contains hemoglobin to carry oxygen to the bodily tissues.
22. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
23. A heavy ductile magnetic metallic element.
25. The branch of computer science that deal with writing computer programs that can solve problems creatively.
26. A flexible container with a single opening.
27. The basic unit of money in Western Samoa.
29. A radioactive element of the actinide series.
30. A silvery soft waxy metallic element of the alkali metal group.
33. A chain of connected ideas or passages or objects so arranged that each member is closely related to the preceding and following members (especially a series of patristic comments elucidating Christian dogma).
36. A sheet or band of fibrous connective tissue separating or binding together muscles and organs etc.
37. Electrical conduction through a gas in an applied electric field.
38. An accidental hole that allows something (fluid or light etc.) to enter or escape.
39. (usually followed by `to') Having the necessary means or skill or know-how or authority to do something.
41. A hard gray lustrous metallic element that is highly corrosion-resistant.
42. Scottish sea captain who was hired to protect British shipping in the Indian Ocean and then was accused of piracy and hanged (1645-1701).
43. (Babylonian) God of storms and wind.
45. Fermented alcoholic beverage similar to but heavier than beer.
48. The blood group whose red cells carry both the A and B antigens.
49. A public promotion of some product or service.
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