| ACROSS |
| 1. | Bluish transparent magnetic liquid obtained by compressing gaseous oxygen |
| 4. | Personal Computers (abbr.) |
| 7. | Pertaining to black traditions or culture |
| 11. | Curves |
| 13. | Suttee (variant) |
| 15. | Small, secluded valley |
| 16. | A group of wasps |
| 17. | Musical group of three |
| 18. | Relaxation |
| 19. | Consenting reply |
| 22. | (biochemistry) Long linear polymer of nucleotides found in a cell |
| 24. | Mountains (abbr.) |
| 25. | Male child |
| 28. | Viper |
| 30. | Experiment locale |
| 32. | _ tizzy (2 wds.) |
| 33. | Afternoon social gathering |
| 34. | Keyboard modifier key |
| 35. | The 18th letter of the Arabic alphabet |
| 36. | For fear that |
| 39. | Australian flightless bird |
| 42. | Java container |
| 43. | Film, stage and radio performer Massey (1912-1974) |
| 44. | Compass dir. |
| 46. | Floor protector |
| 48. | Unit of force |
| 49. | Nervous spasm |
| 50. | Mamie's husband |
| 52. | Night before a holiday |
| 55. | And so on (abbr.) |
| 56. | Member of the Shoshonean people of Utah and Colorado and New Mexico |
| 57. | Research Institute of America (abbr.) |
| 58. | To sift |
| 59. | Distress signal |
| 61. | Separate the seeds from cotton |
| 64. | Magnetic Resonance Imaging (abbr.) |
| 66. | Advice |
| 68. | Amount of a charge or payment relative to some basis |
| 71. | Atlas contents |
| 75. | French philosopher Descartes |
| 76. | Russian ruler of old |
| 77. | Expression of disdain |
| 78. | Won a Pulitzer Price for the play "Picnic" (1953) |
| 79. | American Medical Association (abbr.) |
| 80. | Expire |
|
| DOWN |
| 1. | Infant locale |
| 2. | Mouth or opening |
| 3. | One more than ninety |
| 4. | Pacific Standard Time (abbr.) |
| 5. | Automobile |
| 6. | Disorderly outburst |
| 7. | Mature |
| 8. | Flambe (short form) |
| 9. | State of inaction |
| 10. | Singles |
| 12. | Mischievous |
| 14. | Electrically charged atom |
| 20. | Erode |
| 21. | Compass dir. |
| 23. | Everything |
| 25. | Thailand, formerly |
| 26. | Containing a positively charged radical (suffix) |
| 27. | _ Parbat (ninth highest mountain on Earth) |
| 29. | Friendly |
| 31. | Had dinner |
| 34. | _ moment's notice (2 wds.) |
| 37. | A really long time |
| 38. | Scornful expression |
| 40. | Distance measurement |
| 41. | Join together |
| 43. | Binary compound |
| 45. | _ Homo ("Behold the Man", John 19:5 KJV) |
| 47. | Teat (slang) |
| 51. | Cask |
| 53. | Zeal |
| 54. | Hearing organ |
| 56. | Putting into practice |
| 59. | Indian skirt |
| 60. | Baking chamber |
| 62. | Nonscientific branch of learning |
| 63. | National Aeronautics and Space Administration (abbr.) |
| 65. | Naughty child |
| 67. | Perceive with the eye |
| 69. | Scottish cap |
| 70. | Epoch |
| 72. | Help |
| 73. | Air pressure measure (abbr.) |
| 74. | A female animal or person |