1. Rate of revolution of a motor.
4. (heraldry) An ordinary consisting of a broad horizontal band across a shield.
8. Extinct flightless bird of New Zealand.
11. A plant hormone promoting elongation of stems and roots.
12. A heavy long-handled hammer used to drive stakes or wedges.
13. An honorary degree in science.
14. Someone who works (or provides workers) during a strike.
16. A percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance.
17. A unit of weight for precious stones = 200 mg.
19. The blood group whose red cells carry both the A and B antigens.
20. A watery solution of sugars, salts, and minerals that circulates through the vascular system of a plant.
21. A fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate.
23. A foot traveler.
25. Functioning correctly and ready for action.
26. The basic unit of electric current adopted under the System International d'Unites.
28. The elementary stages of any subject (usually plural).
29. A fraudulent business scheme.
32. A federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955.
33. A white metallic element that burns with a brilliant light.
34. A federal agency established to regulate the release of new foods and health-related products.
36. Type genus of the family Arcidae.
40. Title for a civil or military leader (especially in Turkey).
42. Being two more than fifty.
45. A river in north central Switzerland that runs northeast into the Rhine.
46. Flower arrangement consisting of a circular band of foliage or flowers for ornamental purposes.
48. One of the most common of the five major classes of immunoglobulins.
49. A usually soluble substance for staining or coloring e.g. fabrics or hair.
50. (Greek mythology) Goddess of the earth and mother of Cronus and the Titans in ancient mythology.
51. A young woman making her debut into society.
1. (computer science) A kind of computer architecture that has a relatively small set of computer instructions that it can perform.
2. Large burrowing rodent of South and Central America.
3. A flat-bottomed volcanic crater that was formed by an explosion.
4. Modulation of the frequency of the (radio) carrier wave.
5. (Akkadian) God of wisdom.
6. Wood of a sumac.
7. Block consisting of a thick piece of something.
8. Small shrubby African tree having compound leaves and racemes of small fragrant green flowers.
9. English scholastic philosopher and assumed author of Occam's Razor (1285-1349).
10. (Babylonian) A demigod or first man.
15. Moderate or restrain.
18. A village in eastern Ireland (northwest of Dublin).
22. Sluggish tailless Australian arboreal marsupial with gray furry ears and coat.
24. Large brownish-green New Zealand parrot.
27. An informal term for a father.
30. Showing self-interest and shrewdness in dealing with others.
31. A master's degree in fine arts.
35. Type genus of the Alcidae comprising solely the razorbill.
36. A benevolent aspect of Devi.
37. A sudden short attack.
38. An enclosure made or wire or metal bars in which birds or animals are kept.
39. An Arabic speaking person who lives in Arabia or North Africa.
41. Step on it.
43. Being one more than two.
44. An agency of the United Nations affiliated with the World Bank.
47. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.