| 1. scad |  | 76. scientific management |
| 2. scads | | 77. scientific society |
| 3. scaldfish | | 78. scintillating light |
| 4. scale | | 79. scintillation |
| 5. scale base | | 80. scirocco |
| 6. scale discharge | | 81. scissors lift |
| 7. scale down | | 82. SCOLD |
| 8. scale effect | | 83. scoop |
| 9. scale ice | | 84. scoop dredger |
| 10. scale loading | | 85. scoop net |
| 11. scale of latitude | | 86. scoop seine |
| 12. scale of loading | | 87. scooper |
| 13. scale of longitude | | 88. scooper type of harvester |
| 14. scale of mid latitude | | 89. scope |
| 15. scale of provisions | | 90. SCOR |
| 16. scale off a boiler | | 91. scorch |
| 17. scale range | | 92. score |
| 18. scale ton | | 93. scoriae |
| 19. scale up | | 94. Scotch (marine) boiler |
| 20. scaling machine | | 95. Scotch boiler |
| 21. scallop | | 96. Scotch mist |
| 22. scalloping | | 97. scour |
| 23. scaman | | 98. scourers |
| 24. scan | | 99. scouring (out) |
| 25. scandalize | | 100. scouring basin |
| 26. Scandinavian clause | | 101. scouring sluice |
| 27. scanned area | | 102. scouting |
| 28. scanner | | 103. scouting course |
| 29. scanning | | 104. scouting force |
| 30. scanning receiver | | 105. scouting formation |
| 31. scanning sonar | | 106. scouting line |
| 32. scant wind | | 107. scow |
| 33. Scantling | | 108. scow-sling |
| 34. Scantling draft | | 109. scowing an anchor |
| 35. scantling draught | | 110. SCPC |
| 36. scantlings | | 111. scram |
| 37. scaper | | 112. scrambled eggs |
| 38. Scarborough warning | | 113. scrambling net |
| 39. scarf | | 114. scrap |
| 40. scarf tack | | 115. scrap log |
| 41. scarp | | 116. scrap yard |
| 42. scatter of light | | 117. scrape |
| 43. scattered clouds | | 118. scrape boat |
| 44. scattering | | 119. scraper |
| 45. scavenage blower | | 120. Scrapping |
| 46. Scavenge air cooler | | 121. screeding |
| 47. Scavenge Air System | | 122. screen |
| 48. Scavenge fire | | 123. screen axis |
| 49. scavenging | | 124. screen bulkhead |
| 50. scavenging blower | | 125. screen circle |
| 51. scavenging methods: cross | | 126. screen commander |
| 52. scavenging pump | | 127. screen door |
| 53. scend | | 128. screen gap |
| 54. scend heavily | | 129. screened ships |
| 55. schedule | | 130. screening aircraft |
| 56. Schedule B | | 131. screening force |
| 57. schedule of apportionment | | 132. screening ship |
| 58. scheduling | | 133. screening smoke |
| 59. scheme | | 134. screening station |
| 60. scheme of connections | | 135. screw |
| 61. schnorkel breathing tube | | 136. screw anchor |
| 62. school | | 137. screw aperture |
| 63. school fish | | 138. screw backing |
| 64. school ship | | 139. screw clearance |
| 65. schooling up | | 140. screw controller |
| 66. schoolmaster | | 141. screw current |
| 67. schooner | | 142. screw diameter |
| 68. schooner bark | | 143. screw disk |
| 69. schooner brig | | 144. screw down |
| 70. schooner rig | | 145. screw driver |
| 71. schooner stay | | 146. screw dynamometer |
| 72. schooner, four-masted top-sail | | 147. screw effect |
| 73. Schottel Pump-Jet (SPJ) | | 148. screw home |
| 74. science of materials | | 149. screw in |
| 75. Scientific Committee on Ocean Research | | 150. screw jack |
