1. A unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere.
4. A doctor's degree in education.
7. Mentally or physically infirm with age.
11. Seed of a pea plant.
12. (in golf) The standard number of strokes set for each hole on a golf course, or for the entire course.
13. Starch resembling sago that is obtained from cuckoopint root.
14. The sense organ for hearing and equilibrium.
15. By bad luck.
17. A flat wing-shaped process or winglike part of an organism.
18. A steep rugged rock or cliff.
20. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
22. The azimuth of a celestial body is the angle between the vertical plane containing it and the plane of the meridian.
23. The month following July and preceding September.
24. A condensed but memorable saying embodying some important fact of experience that is taken as true by many people.
26. A software system that facilitates the creation and maintenance and use of an electronic database.
27. A flexible container with a single opening.
28. A beckoning gesture.
30. Marked by or showing unaffected simplicity and lack of guile or worldly experience.
31. Title for a civil or military leader (especially in Turkey).
34. A loose sleeveless outer garment made from aba cloth.
36. (informal) Exceptionally good.
40. A river in north central Switzerland that runs northeast into the Rhine.
44. Be seated.
45. Large northern deer with enormous flattened antlers in the male.
46. A metabolic acid found in yeast and liver cells.
47. The compass point midway between northeast and east.
48. A unit of length of thread or yarn.
49. Showing characteristics of age, especially having gray or white hair.

1. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
2. Perceive sound.
3. God of death.
4. A federal agency established to coordinate programs aimed at reducing pollution and protecting the environment.
5. A metric unit of volume or capacity equal to 10 liters.
6. The phenomenon of resistance to motion through a fluid.
7. A rare silvery (usually trivalent) metallic element.
8. A constellation in the southern hemisphere near Telescopium and Norma.
9. A Russian prison camp for political prisoners.
10. Affect with wonder.
16. Someone who works (or provides workers) during a strike.
19. Talks a great deal about uninteresting topics.
21. A city in southern Turkey on the Seyhan River.
25. Title for a civil or military leader (especially in Turkey).
29. New Zealand timber tree resembling the cypress.
32. A small hard particle.
33. United States writer noted for his stories about life during the California gold rush (1836-1902).
35. A soft silvery metallic element of the alkali earth group.
37. Informal terms for money.
38. A small cake leavened with yeast.
39. Massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws.
41. A logarithmic unit of sound intensity equal to 10 decibels.
42. Enlarged prostate.
43. Of or relating to a member of the Buddhist people inhabiting the Mekong river in Laos and Thailand.
44. The act of slowing down or falling behind.