1. Electronic warfare undertaken under direct control of an operational commander to locate sources of radiated electromagnetic energy for the purpose of immediate threat recognition.
4. A German man.
8. Nut of any of several trees of the genus Corylus.
11. A drug combination found in some over-the-counter headache remedies (Aspirin and Phenacetin and Caffeine).
12. Type genus of the Amiidae.
13. A flat wing-shaped process or winglike part of an organism.
14. A brittle silver-white metalloid element that is related to selenium and sulfur.
15. Tough Asiatic grass whose culms are used for ropes and baskets.
16. Flower arrangement consisting of a circular band of foliage or flowers for ornamental purposes.
17. Any of a number of fishes of the family Carangidae.
20. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
22. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
25. The cry made by sheep.
26. (Irish) The sea personified.
28. A compartment in front of a motor vehicle where driver sits.
30. A fluorocarbon with chlorine.
31. A Chadic language spoken south of Lake Chad.
33. An independent group of closely related Chadic languages spoken in the area between the Biu-Mandara and East Chadic languages.
36. Fermented alcoholic beverage similar to but heavier than beer.
37. The Mongol people living the the central and eastern parts of Outer Mongolia.
41. A metallic element of the rare earth group.
44. An ugly evil-looking old woman.
48. A master's degree in business.
49. The elementary stages of any subject (usually plural).
50. Concerning those not members of the clergy.
51. An adult male person (as opposed to a woman).
52. A plant hormone promoting elongation of stems and roots.
53. The 10th letter of the Hebrew alphabet.
54. A loose sleeveless outer garment made from aba cloth.

1. Informal terms for a meal.
2. A detailed description of design criteria for a piece of work.
3. One million periods per second.
4. Thigh of a hog (usually smoked).
5. Any of various systems of units for measuring electricity and magnetism.
6. Building that contains a surface for ice skating or roller skating.
7. The seventh month of the Moslem calendar.
8. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
9. Evergreen trees and shrubs having oily one-seeded fruits.
10. The Tibeto-Burman language spoken in the Dali region of Yunnan.
18. The large trunk artery that carries blood from the left ventricle of the heart to branch arteries.
19. A person forced to flee from home or country.
21. A white soft metallic element that tarnishes readily.
23. An international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members.
24. A rotating disk shaped to convert circular into linear motion.
27. (Akkadian) God of wisdom.
29. A soft silvery metallic element of the alkali earth group.
32. A white linen liturgical vestment with sleeves.
34. Preliminary drawing for later elaboration.
35. An associate degree in applied science.
38. A subsidiary proposition that is assumed to be true in order to prove another proposition.
39. Cubes of meat marinated and cooked on a skewer usually with vegetables.
40. A city in southern Turkey on the Seyhan River.
42. A small cake leavened with yeast.
43. A sudden short attack.
45. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
46. (British informal) Not to be deceived or hoodwinked n 1.
47. Of or relating to a member of the Buddhist people inhabiting the Mekong river in Laos and Thailand.