1. The basic unit of electric current adopted under the System International d'Unites.
4. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
7. Harsh or corrosive in tone.
11. The month following February and preceding April.
12. A workplace for the conduct of scientific research.
13. God of death.
14. A plant hormone promoting elongation of stems and roots.
15. (of persons) Highest in rank or authority or office.
16. Resinlike substance secreted by certain lac insects.
17. A large fleet.
20. A light touch or stroke.
21. Refuse to acknowledge.
24. A metrical unit with unstressed-stressed syllables.
25. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
26. A digital display that uses liquid crystal cells that change reflectivity in an applied electric field.
27. An ester of adenosine that is converted to ATP for energy storage.
29. The atomic weight of an element that has the same combining capacity as a given weight of another element.
30. Type genus of the Alcidae comprising solely the razorbill.
34. A heavy odorless colorless gas formed during respiration and by the decomposition of organic substances.
37. A river in north central Switzerland that runs northeast into the Rhine.
38. Leaf or strip from a leaf of the talipot palm used in India for writing paper.
42. A master's degree in business.
43. United States physiologist (born in Germany) who did research on parthenogenesis (1859-1924).
44. A white soft metallic element that tarnishes readily.
46. The phenomenon of resistance to motion through a fluid.
47. A soft silvery metallic element of the alkali earth group.
48. A Spanish unit of length (about a yard) having different values in different localities.
1. Type genus of the Amiidae.
2. A flat-bottomed volcanic crater that was formed by an explosion.
3. A small carriage in which a baby or child is pushed around.
4. Showing or causing joy and pleasure.
5. A bottle with a stopper.
6. The elementary stages of any subject (usually plural).
7. Before noon.
8. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
9. A republic in the Middle East in western Asia.
10. Small European freshwater fish with a slender bluish-green body.
18. Small buffalo of the Celebes having small straight horns.
19. A member of a seafaring group of North American Indians who lived on the Pacific coast of British Columbia and southwestern Alaska.
22. The branch of information science that deals with natural language information.
23. Fertility goddess in ancient Greek mythology.
28. Painful grief.
31. (folklore) A corpse that rises at night to drink the blood of the living.
32. A heavy wooden pole (such as the trunk of a young fir) tossed as a test of strength (in the Highlands of Scotland).
33. An anti-TNF compound (trade name Arava) that is given orally.
35. Open-heart surgery in which the rib cage is opened and a section of a blood vessel is grafted from the aorta to the coronary artery to bypass the blocked section of the coronary artery and improve the blood supply to the heart.
36. (Akkadian) God of wisdom.
39. A unit of length of thread or yarn.
40. A white linen liturgical vestment with sleeves.
41. The cry made by sheep.
45. A unit of potential equal to a thousand volts.
46. A loose sleeveless outer garment made from aba cloth.