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. Any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes.
7. (Babylonian) God of storms and wind.
11. Seed of a pea plant.
12. A legal document codifying the result of deliberations of a committee or society or legislative body.
13. The capital and chief port of Qatar.
14. The sense organ for hearing and equilibrium.
15. A collection of objects laid on top of each other.
17. The most common computer memory which can be used by programs to perform necessary tasks while the computer is on.
18. A steep rugged rock or cliff.
20. A soft silvery metallic element of the alkali earth group.
21. The basic unit of electric current adopted under the System International d'Unites.
22. Title for a civil or military leader (especially in Turkey).
24. Being one hundred more than two hundred.
25. A software system that facilitates the creation and maintenance and use of an electronic database.
26. The cry made by sheep.
30. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
33. Wild sheep of northern Africa.
37. (informal) Exceptionally good.
42. Above average in size or number or quantity or magnitude or extent.
45. Either extremity of something that has length.
46. A piece of jewelry that is pinned onto the wearer's garment.
48. An affirmative.
49. A condition (mostly in boys) characterized by behavioral and learning disorders.
50. The United Nations agency concerned with civil aviation.

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. The longer of the two telegraphic signals used in Morse code.
5. (informal) Of the highest quality.
6. A thrusting blow with a knife.
7. The blood group whose red cells carry both the A and B antigens.
8. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
9. (Old Testament) In Judeo-Christian mythology.
10. Slightly wet.
16. Large burrowing rodent of South and Central America.
19. Talks a great deal about uninteresting topics.
23. A loose sleeveless outer garment made from aba cloth.
27. A silvery ductile metallic element found primarily in bauxite.
28. A small pellet fired from an air rifle or BB gun.
29. An official prosecutor for a judicial district.
31. A public promotion of some product or service.
32. An informal term for a father.
34. Liquid excretory product.
35. (Irish) Chief god of the Tuatha De Danann.
36. A compartment in front of a motor vehicle where driver sits.
38. Harsh or corrosive in tone.
39. Relating to or characteristic of or occurring on land.
40. A small cake leavened with yeast.
41. Fabric dyed with splotches of green and brown and black and tan.
43. A health resort near a spring or at the seaside.
44. A federal agency that supervises carriers that transport goods and people between states.
45. Before noon.
47. Being one more than one.
48. A radioactive element of the actinide series.