1. Having only superficial plausibility.
4. Gymnastic apparatus consisting of two parallel wooden bars supported on uprights.
8. The sign language used in the United States.
11. A constellation in the southern hemisphere near Telescopium and Norma.
12. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
13. The 19th letter of the Greek alphabet.
14. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
15. A public promotion of some product or service.
16. A state in southeastern United States.
17. A loose sleeveless outer garment made from aba cloth.
24. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
26. A logarithmic unit of sound intensity.
27. The district occupied entirely by the city of Washington.
28. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
31. (informal) Of the highest quality.
32. The airforce of Great Britain.
33. The longer of the two telegraphic signals used in Morse code.
35. Resonance of protons to radiation in a magnetic field.
38. The branch of computer science that deal with writing computer programs that can solve problems creatively.
40. One of 7 to 12 sons of Aditi.
42. A federally sponsored corporation that insures accounts in national banks and other qualified institutions.
45. A flat wing-shaped process or winglike part of an organism.
46. The small projection of a mammary gland.
47. A local computer network for communication between computers.
48. A metric unit of volume or capacity equal to 10 liters.

1. Large burrowing rodent of South and Central America.
2. An Arabic speaking person who lives in Arabia or North Africa.
3. The basic unit of money in Western Samoa.
4. A long thin fluffy scarf of feathers or fur.
5. A drug combination found in some over-the-counter headache remedies (Aspirin and Phenacetin and Caffeine).
6. A rare heavy polyvalent metallic element that resembles manganese chemically and is used in some alloys.
7. Someone who works (or provides workers) during a strike.
8. A highly unstable radioactive element (the heaviest of the halogen series).
9. The capital and largest city of Yemen.
10. United States screenwriter and filmmaker (born in 1944).
18. A soft silvery metallic element of the alkali earth group.
19. A small cake leavened with yeast.
20. A metrical unit with unstressed-stressed syllables.
21. The blood group whose red cells carry both the A and B antigens.
22. The sense organ for hearing and equilibrium.
23. A bachelor's degree in religion.
25. A radioactive element of the actinide series.
29. A large fleet.
30. A native of ancient Troy.
34. An officer who acts as military assistant to a more senior officer.
35. A flat wing-shaped process or winglike part of an organism.
36. Type genus of the Hylidae.
37. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
39. A legal document codifying the result of deliberations of a committee or society or legislative body.
41. A slight amount or degree of difference.
43. A state in midwestern United States.
44. A state in southeastern United States between the Atlantic and the Gulf of Mexico.