| ACROSS
1. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
4. English monk and scholar (672-735).
8. One of the five major classes of immunoglobulins.
11. 300 to 3000 megahertz.
12. At or constituting a border or edge.
13. (Irish) Mother of the ancient Irish gods.
14. No longer active or practicing.
17. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
18. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
20. A hard gray lustrous metallic element that is highly corrosion-resistant.
21. Mentally or physically infirm with age.
25. The United Nations agency concerned with atomic energy.
27. A federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955.
28. A software system that facilitates the creation and maintenance and use of an electronic database.
30. A white soft metallic element that tarnishes readily.
32. A public promotion of some product or service.
35. A genus of Ploceidae.
41. A loose sleeveless outer garment made from aba cloth.
42. An open sore on the back of a horse caused by ill-fitting or badly adjusted saddle.
45. The network in the reticular formation that serves an alerting or arousal function.
46. An emotional response that has been acquired by conditioning.
47. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
48. The residue that remains when something is burned.
49. A condition (mostly in boys) characterized by behavioral and learning disorders.
50. Footwear usually with wooden soles.
51. Large brownish-green New Zealand parrot.
|
DOWN
1. A Russian prison camp for political prisoners.
2. A Bantu language spoken by the Chaga people in northern Tanzania.
3. An abnormally large amount of this fetoprotein in the fetus can signal an abnormality of the neural tube (as spina bifida or anencephaly).
4. A short high tone produced as a signal or warning.
5. Tropical starchy tuberous root.
6. 1/10 gram.
7. The branch of engineering science that studies the uses of electricity and the equipment for power generation and distribution and the control of machines and communication.
8. A plant hormone promoting elongation of stems and roots.
9. Any of various small biting flies.
10. Offering fun and gaiety.
15. Relating to or characteristic of or occurring on the sea or ships.
16. A small pellet fired from an air rifle or BB gun.
19. Title for a civil or military leader (especially in Turkey).
22. A crystalline rock that can be cut and polished for jewelry.
23. (of persons) Highest in rank or authority or office.
24. Light informal conversation for social occasions.
26. A flat wing-shaped process or winglike part of an organism.
29. An honorary degree in science.
31. Military headquarters from which a military commander controls and organizes the forces.
33. Lower in esteem.
34. Boiled or baked buckwheat.
36. In bed.
37. Any of a group of Indic languages spoken in Kashmir and eastern Afghanistan and northern Pakistan.
38. Highly excited.
39. Type genus of the Alcidae comprising solely the razorbill.
40. Any of various strong liquors distilled from the fermented sap of toddy palms or from fermented molasses.
43. Any of various primates with short tails or no tail at all.
44. A serve that strikes the net before falling into the receiver's court.
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