| 1. antarctic |  | 60. antifoaming agent |
| 2. Antarctic Bottom Water | | 61. antifouling |
| 3. Antarctic Circle | | 62. antifouling composition |
| 4. Antarctic Circumpolar Current | | 63. antifouling paint |
| 5. Antarctic Circumpolar Water | | 64. antigalvanic paint |
| 6. Antarctic Convergence | | 65. antiheeling system |
| 7. Antarctic krill | | 66. antijamming |
| 8. Antarctic Zone | | 67. antiknock index |
| 9. ante meridiem | | 68. Antillean Current |
| 10. antenna | | 69. antilunar tide |
| 11. antenna feed | | 70. antipodean day |
| 12. antenna gain | | 71. antipodes |
| 13. antenna housing | | 72. antiradar coating |
| 14. antenna jack | | 73. antirust |
| 15. antenna matching | | 74. antiship radar |
| 16. antenna mount | | 75. antishipping operations |
| 17. anti-aircraft | | 76. antishipping submarine |
| 18. anti-aircraft defence | | 77. antiskid |
| 19. anti-aircraft frigate | | 78. antislip |
| 20. anti-aircraft light cruiser | | 79. antislip paint |
| 21. anti-aircraft missile | | 80. antislip protection |
| 22. anti-aircraft projectile | | 81. antisolar tide |
| 23. anti-atomic defence | | 82. antistatic agent |
| 24. anti-clockwise | | 83. antisubmarine air close search |
| 25. anti-collision device | | 84. antisubmarine air screen |
| 26. anti-collision radar | | 85. antisubmarine aircraft escort |
| 27. anti-countermining device | | 86. antisubmarine airship |
| 28. anti-fading device | | 87. antisubmarine area search |
| 29. anti-foam agent | | 88. antisubmarine armament |
| 30. anti-fouling | | 89. antisubmarine attack |
| 31. anti-fouling composition | | 90. antisubmarine boom |
| 32. anti-fouling paint | | 91. antisubmarine bottom search |
| 33. anti-fouling patent | | 92. antisubmarine course |
| 34. anti-freeze | | 93. antisubmarine defense |
| 35. anti-friction alloy | | 94. antisubmarine destroyer |
| 36. anti-missile missile | | 95. antisubmarine frigate |
| 37. anti-oxidant | | 96. antisubmarine howitzer |
| 38. anti-pitch fin | | 97. antisubmarine mine |
| 39. Anti-roll tanks, also tank stabilisers | | 98. antisubmarine mortar |
| 40. anti-rolling device | | 99. antisubmarine net |
| 41. Anti-rolling devices | | 100. antisubmarine patrol aircraft |
| 42. anti-rolling fins | | 101. antisubmarine picket |
| 43. anti-rolling sail | | 102. antisubmarine rocket |
| 44. anti-rolling tank | | 103. antisubmarine rocket launcher |
| 45. anti-solar tide | | 104. antisubmarine submarine |
| 46. anti-suction tunnel | | 105. antisubmarine support |
| 47. anti-suction-force tunnel | | 106. antisubmarine surface escort |
| 48. anti-wear agent | | 107. antisubmarine surveillance satellite |
| 49. anticlutter gain control | | 108. antisubmarine torpedo launcher |
| 50. anticorrosion protection | | 109. antisubmarine warfare |
| 51. anticorrosive | | 110. antisubmarine weapon |
| 52. anticorrosive paint | | 111. antisweep device |
| 53. anticyclogenesis | | 112. antitorpedo net |
| 54. anticyclone | | 113. antitrade winds |
| 55. anticyclonic wind | | 114. antitrades |
| 56. antidote | | 115. antitwilight arch |
| 57. Antidumping | | 116. antivibration |
| 58. Antidumping Duty | | 117. antivibration insulation |
| 59. Antidumping Petition | | 118. antivibrator |
