| ACROSS |
| 1. | Open wide |
| 5. | Nonscientific branch of learning |
| 8. | Chief solid component of mammalian urine |
| 12. | Set down |
| 13. | Lion |
| 14. | Central Switzerland mountain, part of the Alps |
| 15. | Profane or obscene expressions |
| 17. | Basic polypeptide antibiotic derived from a soil bacterium |
| 20. | One more than two |
| 22. | Automobile |
| 23. | Eastern Standard Time (abbr.) |
| 24. | Land measure |
| 25. | Portuguese money of account (variant) |
| 27. | Lipoprotein that transports cholesterol in the blood |
| 29. | Compass dir. |
| 32. | Armed conflict |
| 34. | Petroleum |
| 35. | Double-curved letter |
| 36. | Small child |
| 38. | 23rd letter of the Greek alphabet |
| 39. | Hearing organ |
| 41. | Auto club (abbr.) |
| 43. | Attila the _ |
| 45. | Sleep |
| 47. | Magnetic Resonance Imaging (abbr.) |
| 48. | Crowd into |
| 50. | Wedding promise |
| 51. | Age |
| 52. | Hit sharply and swiftly |
| 54. | British artist and writer of nonsense verse |
| 57. | Be seated |
| 60. | A female deer |
| 62. | Monetary unit of Japan |
| 63. | Inedible or poisonous agaric |
| 67. | Soviet premier 1918–24 |
| 71. | Southwest Nigerian state |
| 72. | Basketball assoc. |
| 73. | A really long time |
| 74. | Africa Soil Science Society (abbr.) |
| 75. | Plant excrement |
| 76. | French philosopher Descartes |
|
| DOWN |
| 1. | E Mali city |
| 2. | Wing |
| 3. | A group of snakes |
| 4. | Principle of right and wrong |
| 5. | Keyboard modifier key |
| 6. | Marina Del _, California |
| 7. | Torque (variant) |
| 8. | University of Rhode Island (abbr.) |
| 9. | Travel on an animal |
| 10. | The front part of a cuirass |
| 11. | Am not, is not, has not, have not (slang) |
| 16. | Title for a knight |
| 18. | Rowing implement |
| 19. | Group working together |
| 21. | Institute of Electrical and Electronics Engineers (abbr.) |
| 24. | Plant genus of onion and garlic |
| 26. | Consume |
| 27. | Chop off |
| 28. | Food container |
| 30. | Compass dir. |
| 31. | 1973 Nobel Price Winner (Physics) Leo |
| 33. | Wanderer |
| 37. | Edible starchy tuberous root |
| 40. | To free from |
| 42. | The 18th letter of the Arabic alphabet |
| 44. | And not |
| 46. | More than one (prefix) |
| 49. | Soap units |
| 53. | Cooking vessel |
| 55. | Snakelike fish |
| 56. | Approach |
| 57. | Portico |
| 58. | Charged atoms |
| 59. | Small boys |
| 61. | Immeasurably long periods of time |
| 64. | Two (Sp.) |
| 65. | Chief or king in Benin or Nigeria |
| 66. | Pet locale |
| 68. | Born |
| 69. | Electrically charged atom |
| 70. | Compass dir. |
