1. A defensive missile designed to shoot down incoming intercontinental ballistic missiles.
4. Plant with an elongated head of broad stalked leaves resembling celery.
8. A nucleic acid consisting of large molecules shaped like a double helix.
11. Large brownish-green New Zealand parrot.
12. An Arabic speaking person who lives in Arabia or North Africa.
13. Relating to or characteristic of or occurring in the air.
14. A flat wing-shaped process or winglike part of an organism.
15. Having undesirable or negative qualities.
17. Found along western Atlantic coast.
19. That is to say.
20. A soft yellow malleable ductile (trivalent and univalent) metallic element.
21. A tight-fitting headdress.
24. Before noon.
26. A plant hormone promoting elongation of stems and roots.
28. Resembling swine.
29. The capital of Croatia.
30. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
31. The syllable naming the fourth (subdominant) note of the diatonic scale in solmization.
32. A drug combination found in some over-the-counter headache remedies (Aspirin and Phenacetin and Caffeine).
39. A historical region on northwestern India and northern Pakistan.
42. A Kwa language spoken by the Yoruba people in southwestern Nigeria.
43. A circular segment of a curve.
45. Black tropical American cuckoo.
46. Any of various long-tailed rodents similar to but larger than a mouse.
47. (Babylonian) God of storms and wind.
48. The network in the reticular formation that serves an alerting or arousal function.
49. (Akkadian) God of wisdom.

1. Jordan's port.
2. A chain of more than 200 islands about 400 miles long in the western central Pacific Ocean.
3. A flat-bottomed volcanic crater that was formed by an explosion.
4. (Babylonian) God of wisdom and agriculture and patron of scribes and schools.
5. A constellation in the southern hemisphere near Telescopium and Norma.
6. A genus of Ploceidae.
7. The blood group whose red cells carry both the A and B antigens.
8. An informal term for a father.
10. A unit of dry measure used in Egypt.
16. A silvery ductile metallic element found primarily in bauxite.
18. God of wealth and love.
22. French cabaret singer (1915-1963).
23. A river in north central Switzerland that runs northeast into the Rhine.
25. One ten thousandth of a centner.
27. Title for a civil or military leader (especially in Turkey).
33. South American shrub or small tree having long shining evergreen leaves and panicles of green or yellow flowers.
34. King of Denmark and Norway who forced Edmund II to divide England with him.
35. In bed.
36. (old-fashioned) At or from or to a great distance.
37. (Babylonian) A goddess of the watery deep and daughter of Ea.
38. A straight line through a body or figure that satisfies certain conditions.
40. A loose sleeveless outer garment made from aba cloth.
41. A condition (mostly in boys) characterized by behavioral and learning disorders.
44. A silvery soft waxy metallic element of the alkali metal group.