1. Type genus of the Anatidae.
5. A hard gray lustrous metallic element that is highly corrosion-resistant.
7. A metabolic acid found in yeast and liver cells.
11. Knock unconscious or senseless.
12. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
13. Toward the mouth or oral region.
14. Relating to or characteristic of or occurring in the air.
15. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
16. A Chadic language spoken south of Lake Chad.
17. A soft silvery metallic element of the alkali earth group.
18. Resinlike substance secreted by certain lac insects.
20. A member of a Mayan people of southwestern Guatemala.
21. (Babylonian) A demigod or first man.
25. A midwestern state in north central United States in the Great Lakes region.
27. Having undesirable or negative qualities.
31. A software system that facilitates the creation and maintenance and use of an electronic database.
33. A white metallic element that burns with a brilliant light.
34. How long something has existed.
36. (Greek mythology) One of the three Graces.
39. A reptile genus of Iguanidae.
42. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
43. A rare silvery (usually trivalent) metallic element.
45. King of Saudi Arabia since 1982 (born in 1922).
46. The compass point that is one point north of due east.
49. A plant hormone promoting elongation of stems and roots.
50. An informal term for a father.
51. A republic in the Middle East in western Asia.
52. Either of two folds of skin that can be moved to cover or open the eye.

1. Jordan's port.
2. Submerged aquatic plant having narrow leaves and small flowers.
3. A port in southwestern Scotland.
4. Conforming to truth.
5. An official language of the Republic of South Africa.
6. Title for a civil or military leader (especially in Turkey).
7. The vessel that contains the seeds of a plant (not the seeds themselves).
8. The biblical name for ancient Syria.
9. A small cake leavened with yeast.
10. (Old Testament) In Judeo-Christian mythology.
19. A short close-fitting coat.
22. A defensive missile designed to shoot down incoming intercontinental ballistic missiles.
23. A unit of pressure equal to one newton per square meter.
24. A public promotion of some product or service.
26. A colorless explosive liquid that is volatile and poisonous and foul-smelling.
28. An ugly evil-looking old woman.
29. A radioactive element of the actinide series.
30. An intensely radioactive metallic element that occurs in minute amounts in uranium ores.
32. (South African) A camp defended by a circular formation of wagons.
35. (game bird) Flesh of quail.
37. An amino acid that is found in the central nervous system.
38. Relating to or characteristic of or occurring on land.
40. Of or relating to or characteristic of Thailand of its people.
41. (Babylonian) God of storms and wind.
44. A loose sleeveless outer garment made from aba cloth.
47. Being one more than one hundred.
48. A monarchy in northwestern Europe occupying most of the British Isles.