| ACROSS |
| 1. | Diode which emits light from the p-n junction |
| 4. | Eastern Standard Time (abbr.) |
| 7. | Africa Soil Science Society (abbr.) |
| 11. | Organic compound containing a hydroxyl group |
| 13. | Before (prefix) |
| 14. | Specific locale |
| 15. | Pulitzer Prize-winning author Ferber |
| 16. | A female red deer |
| 18. | A bearing, in the form of a fillet, round the shield |
| 19. | Male child |
| 21. | Australian flightless bird |
| 24. | Chemical element with properties similar to another |
| 25. | Volcano in Pulau Sangihe |
| 28. | Single |
| 30. | Armed conflict |
| 31. | Or not |
| 32. | Third month (abbr.) |
| 33. | Possessed |
| 34. | British writer and anthropologist Andrew |
| 36. | Had dinner |
| 37. | Circular coral reefs surrounding lagoons |
| 40. | Label |
| 42. | An easy return of a tennis ball in a high arc |
| 43. | Egg _ yung |
| 46. | City of northeast South Africa southwest of Johannesburg |
| 49. | Mayday |
| 51. | Pacific island yam |
| 52. | Teat (slang) |
| 55. | Health resort |
| 56. | Back |
| 58. | Black tropical American cuckoo |
| 60. | Epoch |
| 61. | Viper |
| 62. | Flowery wreath |
| 63. | Supersonic Transport (abbr.) |
| 64. | Fr. "Yes" |
| 66. | Snakelike fish |
| 68. | Connect, as a bridge |
| 71. | A slight indication |
| 75. | Nights before holidays |
| 76. | Neckwear |
| 77. | Hearing organs |
| 78. | Wig |
| 79. | Find the sum of |
| 80. | Sliced dessert |
|
| DOWN |
| 1. | Area sheltered from the wind |
| 2. | Conclusion |
| 3. | Spanish title |
| 4. | A young jellyfish |
| 5. | _ Lanka |
| 6. | Nine, plus one |
| 7. | Volcano in Japan |
| 8. | A group of teals |
| 9. | Twentieth part of a lira |
| 10. | Guide |
| 12. | Experiment locale |
| 17. | Morning condensation |
| 20. | Expression of pleasure, satisfaction, surprise, or great joy |
| 22. | Promenade |
| 23. | Mountain range |
| 25. | American Medical Association (abbr.) |
| 26. | Electrical Unit |
| 27. | Chief solid component of mammalian urine |
| 29. | Peak District village in England |
| 35. | National Science Foundation (abbr.) |
| 38. | Small child |
| 39. | Prime Minister of Uganda from 1962 to 1966 |
| 41. | Girls' org. (abbr.) |
| 44. | A peak of the Olympus Mountains in northern Greece |
| 45. | Used to express mild dismay, as at one's own mistake |
| 47. | Mouths or openings |
| 48. | Monetary units of South Korea |
| 50. | Plant excrement |
| 51. | Bathroom |
| 53. | Pressed |
| 54. | The 19th letter of the Greek alphabet |
| 56. | A group of bass |
| 57. | A female sandpiper |
| 59. | It is |
| 65. | Frozen water |
| 67. | Compass dir. |
| 69. | Parent Teacher Association (abbr.) |
| 70. | Assist |
| 72. | Infant locale |
| 73. | University of Rhode Island (abbr.) |
| 74. | Compass dir. |