| 1. A |  | 76. able-bodied seaman |
| 2. A class division | | 77. abnormal |
| 3. A sweep | | 78. abnormal refraction |
| 4. A turret's | | 79. abnormal tide |
| 5. A'dam | | 80. abnormal tow |
| 6. a-arcs | | 81. aboard |
| 7. A-bomb | | 82. abourdage |
| 8. A-bracket | | 83. about |
| 9. a-cock-bill | | 84. about ship! |
| 10. A-frame | | 85. above board |
| 11. a-port | | 86. above deck |
| 12. a-starboard | | 87. above deck girder |
| 13. A-sub | | 88. above sea level |
| 14. A-waste | | 89. above water body |
| 15. a-weather | | 90. above water hull |
| 16. a.b. | | 91. above water lateral plane |
| 17. A.B., a.b. | | 92. above water torpedo tube |
| 18. A.B.C. Tables | | 93. abox |
| 19. a.c. generator | | 94. ABP |
| 20. a.c. motor | | 95. abrasion |
| 21. A.C., a.c., a-c | | 96. abrasion platform |
| 22. A.C.-D.C. receiver | | 97. Abrasion resistance |
| 23. A.C.M.R.R. | | 98. Abrasive |
| 24. a.e. | | 99. Abrasive blasting |
| 25. a.f. | | 100. abrasive cloth |
| 26. A.F.C., a.f.c | | 101. abrasive paper |
| 27. A.G.C., a.g.c. | | 102. abrasive shot |
| 28. a.h. | | 103. abrasive stick (brick) |
| 29. A.H. rge | | 104. abreast |
| 30. A.M., a.m. | | 105. abridged |
| 31. A.P.L. | | 106. abroad |
| 32. A.R., A/R | | 107. abrupt |
| 33. A.R., A/R, a/r | | 108. ABS |
| 34. A.R.P. | | 109. absence |
| 35. A.S.D.I.C. | | 110. absence flag |
| 36. A.T. | | 111. absolute contraband |
| 37. A.T., A.t. | | 112. absolute humidity |
| 38. a.t.s.b.e. | | 113. absolute pressure |
| 39. a.w.t.s. | | 114. absolute submarine war |
| 40. a/c | | 115. absolute temperature |
| 41. A/M | | 116. absolute viscosity |
| 42. a/o | | 117. absorb |
| 43. A/S | | 118. absorbency index |
| 44. A/S, A/S., a/s, a/s. | | 119. absorber |
| 45. a/side | | 120. absorption refrigerating plant |
| 46. aa | | 121. absorption unit |
| 47. AA, aa | | 122. absorption wavemeter |
| 48. aaaa | | 123. abt |
| 49. AABW | | 124. aburton |
| 50. AACP | | 125. abutment |
| 51. AAIW | | 126. abutment pier |
| 52. AAM | | 127. abutment stone |
| 53. aback | | 128. abutment wall |
| 54. abaft | | 129. ABW |
| 55. abaft the beam | | 130. abysmal |
| 56. abalone | | 131. abyss |
| 57. abandon ship | | 132. abyssal |
| 58. abandon ship bill | | 133. abyssal deposit |
| 59. abandon ship station | | 134. abyssal gap |
| 60. abandon ship! | | 135. abyssal hill |
| 61. abandoned race | | 136. abyssal plain |
| 62. abandonment | | 137. abyssal zone |
| 63. abandonment clause | | 138. AC |
| 64. abandonment of the voyage | | 139. acalephae |
| 65. abate | | 140. acc. |
| 66. abatement | | 141. acc. cop. |
| 67. abatement of false lights | | 142. acc.hrs |
| 68. abdnt | | 143. accelerated filtration |
| 69. abeam | | 144. acceleration |
| 70. abeam sea | | 145. acceleration of moon |
| 71. aberration | | 146. acceleration of wind |
| 72. ability | | 147. accelerator |
| 73. ablation | | 148. accelerometer |
| 74. able seaman | | 149. acceptable |
| 75. able to sea | | 150. acceptable reliability level |
