1. An internationally recognized distress signal in radio code.
4. A communist nation that covers a vast territory in eastern Asia.
7. In bed.
11. A user interface in which you type commands instead of choosing them from a menu or selecting an icon.
12. A plant hormone promoting elongation of stems and roots.
13. A quantity of no importance.
14. A flat wing-shaped process or winglike part of an organism.
15. Rare (usually fatal) brain disease (usually in middle age) caused by an unidentified slow virus.
16. (Babylonian) God of storms and wind.
17. Fairly small terrestrial ferns of tropical America.
20. Informal terms for a mother.
21. Light informal conversation for social occasions.
22. Tag the base runner to get him out.
25. A Chadic language spoken south of Lake Chad.
30. Date used in reckoning dates before the supposed year Christ was born.
31. (computer science) A coding system that incorporates extra parity bits in order to detect errors.
32. The lower house of the parliament of the Republic of Ireland.
35. A loose sleeveless outer garment made from aba cloth.
37. Cubes of meat marinated and cooked on a skewer usually with vegetables.
39. (botany) Relating to or attached to the axis.
43. South American armadillo with three bands of bony plates.
46. 10 grams.
47. (prefix) Bad or erroneous or lack of.
49. A graphical record of electric currents associated with muscle contractions.
50. (informal) Of the highest quality.
51. Queen of the Olympian gods in ancient Greek mythology.
52. An associate degree in applied science.

1. Any of a number of fishes of the family Carangidae.
2. Leaf or strip from a leaf of the talipot palm used in India for writing paper.
3. A city of central China.
4. A genus of temperate and arctic evergreen trees (see spruce).
5. The seventh month of the Moslem calendar.
6. Someone who is morally reprehensible.
7. (Irish) Mother of the ancient Irish gods.
8. Having undesirable or negative qualities.
9. Mild yellow Dutch cheese made in balls.
10. An informal term for a father.
18. Title for a civil or military leader (especially in Turkey).
19. A nucleic acid consisting of large molecules shaped like a double helix.
23. Large antelope with lightly spiraled horns of desert regions of North Africa.
24. The cry made by sheep.
26. A radioactive element of the actinide series.
27. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
28. A heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically).
29. A silvery ductile metallic element found primarily in bauxite.
33. Lower in esteem.
34. A room or establishment where alcoholic drinks are served over a counter.
36. A coffee cake flavored with orange rind and raisins and almonds.
37. (Irish) Mother of the ancient Irish gods.
38. Surpassing the ordinary especially in size or scale.
40. The content of cognition.
41. A Tibetan or Mongolian priest of Lamaism.
42. Oval reproductive body of a fowl (especially a hen) used as food.
44. A fixed charge for a privilege or for professional services.
45. A river in north central Switzerland that runs northeast into the Rhine.
48. A gonadotropic hormone that is secreted by the anterior pituitary.
49. The blood group whose red cells carry both the A and B antigens.